EDCS Registry - Browse

AERIAL_CABLE_PYLON

A <PYLON> supporting an <AERIAL_CABLE>; aerial cable pylon.

14

PR

[FACC, Annex A: AQ020]

AERIAL_CABLE_SET

A <SET> of one or more <AERIAL_CABLE>s.

15

IR

[FACC, Annex A: AQ010]

AERIAL_SUPPORT_MAST

A <MAST> supporting an <AERIAL>.

16

AERODROME

A defined <PLANETARY_SURFACE_REGION> (including <BUILDING>s, <FACILITY>s, and/or <EQUIPMENT>) intended to be used either wholly or in part for the arrival, departure, and movement of <AIRCRAFT> on a <PLANETARY_SURFACE>; aerodrome [IAN4, 1.1, "aerodrome"].

17

IR

[FACC, Annex A: GB005]

AERODROME_ELEVATION-
_POINT

The highest <LOCATION> of the landing area [IAN14, "landing area"] of an <AERODROME>; aerodrome elevation point.

18

IR

[FACC, Annex A: GB059]

AERODROME_LIGHTING

A <NON_EMPTY_SET> of <LIGHT>s used to: define and outline <COMPONENT>s of <AERODROME>s such as perimeters, <RUNWAY>s, and <TAXIWAY>s; guide <AIRCRAFT> while on a <PLANETARY_SURFACE>; and provide guidance to <AIRCRAFT> on approach for landing.

19

PR

[FACC, Annex A: GB010]

AERODROME_REVETMENT
F

Raised <WALL>s or <STRUCTURE>s, located at an <AERODROME>, designed to provide protection against hazards, including bombs, rockets, grenades, small arms fire, the effects of blast and fragmentation, and/or the effects of natural forces; aerodrome revetment [AFH10222V14, Chapter 5 Revetments, 5.1 Overview].

20

IR

[FACC, Annex A: GB050]

AERODROME_TERMINAL

A <BUILDING> located at an <AERODROME> used for disembarking and/or taking on passengers or <CARGO>; aerodrome terminal.

21

AERONAUTICAL_AID_TO-
_NAVIGATION

An aeronautical <AID_TO_NAVIGATION>.

22

IR

[FACC, Annex A: GA035]

AERONAUTICAL_COMM_FACILITY

A <FACILITY> supporting an <AERONAUTICAL_COMM_SERVICE>.

23

AERONAUTICAL_COMM_SERVICE

A telecommunication service that supports aviation; aeronautical communication service.

24

AERONAUTICAL_LEAD_RADIAL

A <DIRECTION> that provides at least 3 218,7 metres (2 miles) of lead to assist in turning an <AIRCRAFT> onto the intermediate portion of an instrument approach when the angle of intercept is greater than 90 arc degrees; aeronautical lead radial.

25

PR

[FACC, Annex A: GA031]

AEROSOL

A colloidal <SYSTEM> in which the dispersed phase is composed of either solid or liquid <PARTICLE>s and the dispersion medium is a gas, usually <AIR>; aerosol.

26

IR

[GMET, "aerosol"]

AGRICULTURAL_FACILITY

A <FACILITY> involved in crop production, the raising of livestock, and/or the storage or transportation of either <MATERIAL>s important to or the results of agricultural production.

27

AID_TO_NAVIGATION

A <DEVICE> designed to assist in the determination of a safe course for, or the <LOCATION> of, a <VEHICLE>, and/or to warn of dangers and obstructions; aid to navigation. EXAMPLES <LIGHT>, <DISPLAY_SIGN>, electronic <BEACON>.

28

IR

[AIM]

AIR

The gaseous <MATERIAL>s that comprise an <ATMOSPHERE>; air.

29

[SOED, "atmosphere", I.1]

AIRBURST_SMOKE

<SMOKE> resulting from the explosion of a <MUNITION> in the <AIR>; airburst smoke.

35

AIRCRAFT

A <VEHICLE> that is used, or intended to be used, for flight in an <ATMOSPHERE>; aircraft.

36

[SOED, "aircraft"]

AIRCRAFT_CARRIER

A <WATER_SURFACE_VESSEL> designed to carry <AIRCRAFT> and operate as a naval air base, with a flat deck for take off and landing operations at sea; aircraft carrier.

37

[SOED, "aircraft carrier"]

AIRCRAFT_HANGAR

A <BUILDING> used for the storage of <AIRCRAFT>; aircraft hangar [SOED, "hangar"].

38

AIRCRAFT_LANDING_ZONE

A designated <PLANETARY_SURFACE_REGION> where landing by <AIRCRAFT> is possible; aircraft landing zone.

39

AIRCRAFT_MAINTENANCE-
_SHOP

A <BUILDING>, usually located at an <AERODROME>, used for keeping <AIRCRAFT> in a condition of good repair and/or efficiency; aircraft maintenance shop.

40

IR

[FACC, Annex B, BFC:29]

AIRCRAFT_PARKING_FACILITY

A defined paved or hard-packed <TRACT> at an <AERODROME> intended as a parking <FACILITY> for <AIRCRAFT>. EXAMPLES <APRON>, <HARD_STANDING>.

41

IR

[FACC, Annex A: GB015]

AIRCRAFT_STORAGE_TRACT

A defined paved or hard-packed <TRACT> intended for long-term parking and storage of <AIRCRAFT>.

42

IR

[DFAD, 864, "Aircraft Storage Area"]

AIRCRAFT_WRECKAGE

Wreckage of an <AIRCRAFT> that is isolated, conspicuous, and can be used as a landmark.

43

AIRFIELD

An <AIRPORT> with limited or absent <BUILDING>s, facilities, and <EQUIPMENT>; airfield.

44

IR

[FACC, Annex A: GB006]

AIRPORT

A <AERODROME> on <LAND>; airport.

45

IR

[FACC, Annex A: GB007]

AIRSHIP

A powered <BALLOON> with a main chamber filled with a gas that is less dense than the surrounding <AIR>; airship.

46

AIRSPACE

An <ATMOSPHERE_REGION> where an <AIRCRAFT> operates; airspace.

47

IR

[FACC, Annex A: GA005]

AIRSPACE_BOUNDARY

The <BOUNDARY> of an <AIRSPACE>.

48

AIRSPACE_BOUNDARY_COMPONENT

A <COMPONENT> of an <AIRSPACE_BOUNDARY>.

49

IR

[FACC, Annex A: GA020]

AIRSPACE_COMPONENT

A <COMPONENT> of an <AIRSPACE>.

50

AIRSTRIP

An <AIRFIELD> with very limited facilities; airstrip.

51

[SOED, "airstrip"]

AIR_DEFENCE_ARTILLERY

Ground based surface to air <WEAPON>s for engaging <AIRCRAFT> and <MISSILE> targets; air defence artillery.

30

IR

[F3-01]

AIR_MASS

A widespread body of <AIR> that was established while situated over a <REGION> of the <PLANETARY_SURFACE> of the <EARTH> and that undergoes specific modifications while in transit away from that <REGION>; air mass. An air mass is often approximately homogeneous in its horizontal extent (for example: <<AIR_TEMPERATURE>> and/or moisture distribution) and the vertical inhomogeneities are approximately the same over its horizontal extent.

31

IR

[GMET, "air mass", 1]

AIR_TRAFFIC_SERVICE

A <NON_EMPTY_SET> of <AERONAUTICAL_COMM_SERVICE>s supporting air traffic management. EXAMPLES Flight information services, alerting services, air traffic advisory services, air traffic control services.

32

IR

[IAN11]

AIR_TRANSPORTATION_ROUTE

A <TRANSPORTATION_ROUTE> located principally in the <AIR>.

33

AIR_WARNING_LIGHT

A <NON_EMPTY_SET> of <LIGHT>s marking an obstacle that constitutes a danger to air navigation; air warning light.

34

PR

[FACC, Annex A: GA065]

ALGA

A <PROTIST> capable of photosynthesis; alga [SOED, "alga"]. EXAMPLES <SEAWEED>, many unicellular and filamentous <LIVING_ORGANISM>s.

52

ALKALI_FLAT

A sterile <TERRAIN_PLAIN> containing an excess of alkali, usually occurring in the bottom of an under-drained <GEOGRAPHIC_BASIN> in an arid or semi-arid <TERRAIN_SURFACE_REGION>; alkali flat. The <LAND> may be soft, have low shearing and bearing strength, and a high organic content.

53

PR

[FACC, Annex A: DA006]

ALLUVIAL_FAN

A gently sloping, fan-shaped configuration of the <TERRAIN>, usually found near the lower termination of a <CANYON>; alluvial fan.

54

PR

[FACC, Annex A: DB230]

AMBASSADORIAL_RESIDENCE

A <BUILDING> serving as the <DWELLING> of a diplomatic official of the highest rank appointed and accredited as representative in residence by one government or sovereign to another; ambassadorial residence.

55

IR

[FACC, Annex B, BFC:65]

AMPHIBIAN

A <VERTEBRATE> of the class Amphibia; amphibian.

56

[SOED, "amphibian", B]

AMPHIBIOUS_AIR_CUSHION-
_VEHICLE

An <AMPHIBIOUS_VEHICLE> designed to generate and move over a cushion of trapped <AIR> that supports the <VEHICLE> above the <PLANETARY_SURFACE>.

57

AMPHIBIOUS_ARMOURED-
_VEHICLE

An <AMPHIBIOUS_VEHICLE> that is <<ARMOURED>>.

58

AMPHIBIOUS_UTILITY_VEHICLE

An <AMPHIBIOUS_VEHICLE> designed or designated for utility operations.

59

AMPHIBIOUS_VEHICLE

A <VEHICLE> capable of operation either on a <WATERBODY_SURFACE> or on <LAND>; amphibious vehicle.

60

AMPHITHEATRE

An oval or circular <BUILDING> with seats rising in tiers around the central open space, used for entertainment and/or public events; amphitheatre [SOED, "amphitheatre", 1].

61

AMUSEMENT_PARK

A predominantly man-made <RECREATIONAL_FACILITY> equipped with recreational <DEVICE>s; amusement park.

62

PR

[FACC, Annex A: AK030]

AMUSEMENT_PARK_ATTRACTION

A large <STRUCTURE> located in an <AMUSEMENT_PARK>; amusement park attraction.

63

PR

[FACC, Annex A: AK020]

ANCHOR

A <DEVICE> normally placed on a <WATERBODY_FLOOR>, attached to a <LOAD_CABLE>, and used to position a floating <OBJECT> (for example: a <VESSEL>); anchor.

64

PR

[FACC, Annex A: BB019]

ANCHORAGE

A <WATERBODY_SURFACE_REGION> where <VESSEL>s may anchor; anchorage.

66

PR

[S57A, Object: ACHARE]

[FACC, Annex A: BB010]

ANCHORAGE_COMPLEX

An <ANCHORAGE> plus related <NAVIGATION_MARK_FIXED>s and/or <NAVIGATION_MARK_AFLOAT>s; anchorage complex.

67

PR

[FACC, Annex A: BB011]

ANCHOR_BERTH

A designated <WATERBODY_SURFACE_REGION> where a single <VEHICLE> (for example: a <VESSEL>, a <SEAPLANE>, and/or other watercraft) is anchored or may anchor; anchor berth.

65

PR

[S57A, Object: ACHBRT]

ANEMOMETER

A <WIND_INDICATOR> designed to measure total <<WIND_SPEED>> or the <<SPEED>> of one or more linear (vector) components of the <WIND>; anemometer.

68

IR

[GMET, "anemometer"]

ANIMAL

A <LIVING_ORGANISM> of the kingdom Animalia, having sensation and voluntary motion, without rigid cell walls, and dependent on organic substances for food; animal [SOED, "animal", 1.a].

69

ANIMAL_PARK

A <REGION> with a collection of live <NON_HUMAN_ANIMAL>s, usually for public display; animal park.

70

PR

[FACC, Annex A: AK180]

ANIMAL_SANCTUARY

A <REGION> that has been set aside for the preservation and protection of wild <NON_HUMAN_ANIMAL>s; animal sanctuary.

71

PR

[FACC, Annex A: AL005]

ANTE_ROOM

A <ROOM> before or forming an entrance to another; ante-room.

72

[SOED, "ante-room"]

APARTMENT_HOUSE

A multi-residence <BUILDING> containing rental accommodations for hire on a long-term basis; apartment house.

73

[SOED, "apartment house"]

APERTURE

A vacant space between portions of solid <MATERIAL>; aperture [SOED, "aperture", 2 and "opening", n.2.a]. An aperture may be created by design, e.g., as part of a <STRUCTURE>, or may be caused by violence or decay. EXAMPLES <WINDOW>, <BREACH>, <BREACH_HOLE>.

74

APRON

A defined <TRACT> located at an <AIRPORT>, intended to accommodate <AIRCRAFT> for purposes of loading, unloading, fuelling, parking and/or maintenance; apron [IAN4, 1.1, "apron"].

75

IR

[FACC, Annex A: GB015]

[SOED, "apron", II.10]

AQUEDUCT

A <PIPE> or artificial channel designed to transport <WATER> from a remote source, usually by gravity; aqueduct.

76

PR

[FACC, Annex A: BH010]

AQUEDUCT_NEXUS

A representation of one or more <AQUEDUCT>s, especially in a <BUILT_UP_REGION>; aqueduct nexus.

77

ARACHNID

An <ARTHROPOD> of the class Arachnida; arachnid [SOED, "arachnid"]. EXAMPLES Spider, scorpion, mite, tick.

78

ARBORETUM

A <BOTANICAL_GARDEN> where rare <TREE>s are cultivated and displayed; arboretum [SOED, "arboretum"].

79

IR

[FACC, Annex A: EA031]

ARCADE

A covered pedestrian <ROUTE> composed of arches and pillars, usually open along one or both sides; arcade.

80

IR

[FACC, Annex A: AQ151]

ARCHAEOLOGICAL_SITE

A <SITE> where remains of ancient civilizations and/or the activities of <HUMAN>s have been discovered; archaeological site.

81

PR

[FACC, Annex A: AL012]

ARMISTICE_LINE

A <BOUNDARY> established by opposing political groups as a result of cessation of hostilities; armistice line.

82

IR

[FACC, Annex A: FA020]

ARMOURED_BRIDGE_LAUNCHER

A <COMBAT_SUPPORT_VEHICLE> that is <<ARMOURED>> and is capable of launching an AVLB; armoured bridge launcher.

83

ARMOURED_FIGHTING_VEHICLE

A <COMBATANT_VEHICLE> that is <<ARMOURED>> and mounted with guns or other armaments, often used to move groups of soldiers; armoured fighting vehicle. EXAMPLES Infantry fighting <GROUND_VEHICLE>, armoured personnel carrier, self-propelled <MORTAR>, armoured car, chemical reconnaissance <VEHICLE>, anti-tank guided missile launcher.

84

ARMOURED_TRACKED_FIGHTING-
_VEHICLE

A <ARMOURED_TRACKED_VEHICLE> that is heavily <<ARMOURED>>, mounted with cannon and guns; armoured tracked fighting vehicle.

85

ARMOURED_TRACKED_VEHICLE

A closed <COMBATANT_VEHICLE> that is <<ARMOURED>> and moves on caterpillar treads; armoured tracked vehicle.

86

ARMOURED_UTILITY_VEHICLE

A <COMBAT_SUPPORT_VEHICLE> that is <<ARMOURED>>; armoured utility vehicle. EXAMPLES Engineering <GROUND_VEHICLE>, tracked load carrier, towing <VEHICLE>, recovery <VEHICLE>.

87

ARMOURY

A <BUILDING> for storing arms and military <EQUIPMENT>, especially one serving as headquarters for reserve <MILITARY_PERSONNEL>; armoury [AHD, "armory", 1.b].

88

ARRESTING_GEAR

<EQUIPMENT> (for example: a <LOAD_CABLE> and/or a <BARRIER>) that can be used to stop an <AIRCRAFT> immediately upon landing; arresting gear.

89

IR

[FACC, Annex A: GB020]

ARTHROPOD

An <INVERTEBRATE> of the phylum Arthropoda that is characterized by having a segmented body and jointed limbs; arthropod [SOED, "arthropod"]. EXAMPLES <INSECT>, <ARACHNID>, <CRUSTACEAN>.

90

ARTIFICIAL_SATELLITE

A <SPACECRAFT> designed to be placed in orbit around a <PLANET> or, occasionally, another <CELESTIAL_BODY>; artificial satellite [SOED, "satellite", A.2.c].

91

ARTILLERY_BATTERY

An emplacement for one or more pieces of <FIELD_ARTILLERY>; artillery battery.

92

[SOED, "battery", II.4]

ASPHALT_POOL

A naturally-occurring pool of liquid asphalt.

93

PR

[FACC, Annex A: DA005]

ASSEMBLY_PLANT

A <FACILITY>, consisting of a <TRACT> and associated <BUILDING>s, used for the purpose of combining manufactured <COMPONENT>s to make a completed product; assembly plant.

94

PR

[FACC, Annex A: AE010]

ASTRONOMICAL_STATION

A <STRUCTURE> used for the scientific study of matter in <SPACE>, especially the <LOCATION>s, dimensions, distribution, motion, composition, energy, and evolution of <CELESTIAL_BODY>s or celestial phenomena; astronomical station.

97

ASTRONOMIC_PROPERTY-
_SET

A <PROPERTY_SET> containing information about <CELESTIAL_BODY>s and other astronomical matters.

96

ASW_HELICOPTER

A <HELICOPTER> designed or designated for ASW operations.

98

ASW_WINGED_AIRCRAFT

A winged <AIRCRAFT> designed or designated for ASW operations.

99

ATHLETIC_COMPLEX

A <FACILITY>, consisting of a <TRACT> and associated <STRUCTURE>s, used for recreational exercise and major sports competitions, which typically serves a large metropolitan <BUILT_UP_REGION>; athletic complex.

100

IR

[FACC, Annex A: AK040]

ATHLETIC_FIELD

An open <TRACT> where sporting events, exercises, and/or games occur; athletic field.

101

PR

[FACC, Annex A: AK040]

ATMOSPHERE

A gaseous envelope gravitationally bound to a <CELESTIAL_BODY>; atmosphere.

102

IR

[GMET, "atmosphere"]

ATMOSPHERE_PROPERTY-
_SET

A <PROPERTY_SET> describing a <LOCATION> in an <ATMOSPHERE> or an <ATMOSPHERE_REGION>.

103

ATMOSPHERE_REGION

A <REGION> of an <ATMOSPHERE>.

104

ATMOSPHERIC_FRONT

The <BOUNDARY> or transition zone between <AIR_MASS>s of different <<AIR_DENSITY>>s; atmospheric front.

105

PR

[WMO182, F1290, "front", 1]

ATRIUM

A central court that is located in a <BUILDING>, rises through one or more <FLOOR_LEVEL>s, is surrounded by galleries at each <FLOOR_LEVEL> with <ROOM>s opening off, and is often skylighted; atrium.

106

[SOED, "atrium", 1]

ATS_ROUTE

A specified <AIR_TRANSPORTATION_ROUTE> designed for channelling the flow of <AIRCRAFT> as necessary for the provision of <AIR_TRAFFIC_SERVICE>s; ATS route [IAN4, 1.1, "ATS route"].

107

IR

[FACC, Annex A: GA045]

ATS_ROUTE_COMPONENT

A <COMPONENT> of an <ATS_ROUTE> that is defined by two <LOCATION>s specified in a flight plan. These <LOCATION>s are either continental geographical <LOCATION>s, insular geographical <LOCATION>s, or <LOCATION>s at which a definite radio fix can be established.

108

IR

[F7110.65, "ROUTE COMPONENT (ICAO)" and "ROUTE COMPONENT"]

ATTACK_HELICOPTER

A <HELICOPTER> designed for military attack operations.

109

ATTACK_WINGED_AIRCRAFT

A winged <AIRCRAFT> designed for military attack operations.

110

ATTIC

The highest <FLOOR_LEVEL> of a <BUILDING>, usually immediately under the <STRUCTURAL_BEAM>s of the <ROOF>, or a <ROOM> in this location; attic [SOED, "attic", B.2].

111

AUDITORIUM

A large <BUILDING> for public meetings and/or performances; auditorium.

112

[SOED, "auditorium", 2]

AURORA

Luminous phenomena, in the form of arcs, bands, draperies, and/or curtains in a high <ATMOSPHERE_REGION> caused by charged <PARTICLE>s from <SPACE>, mainly at high latitudes; aurora.

113

PR

[WMO182, A3090, "aurora"]

AURORA_OVAL

The locus of structured <AURORA> around each <PLANETARY_MAGNETIC_POLE> of the <EARTH>, roughly forming an oval band between 60 and 70 degrees latitude in both northern and southern hemispheres; aurora oval.

114

IR

[TASC]

AUTOMATED_TELLER_MACHINE

A <DEVICE> that provides money and/or performs banking services when a special card is inserted and a password is typed in; automated teller machine [SOED, "teller", II.2.a; "automated teller machine"].

115

AUTOMOTIVE_PLANT

A <HEAVY_INDUSTRIAL_FACILITY> used for the purpose of manufacturing <MOTOR_VEHICLE>s; automotive plant.

116

IR

[FACC, Annex B, BFC:120]

AVIATION_NAVIGATION-
_MARKER

An <AERONAUTICAL_AID_TO_NAVIGATION> used as a guide to a pilot of an <AIRCRAFT> seeking a particular <REGION> and/or avoiding a <MAN_MADE_AIR_OBSTRUCTION>; aviation navigation marker. EXAMPLES Flare, distinctive <DISPLAY_SIGN>.

117

[SOED, "marker", 3.c]

AVIATION_WAYPOINT

A specified geographical <LOCATION> used to define an area navigation <ROUTE> or the flight path of an <AIRCRAFT> employing area navigation; aviation waypoint [IAN4, "waypoint"].

118

IR

[FACC, Annex A: GA055]

BACKSHORE_PRECISE

The <TERRAIN_STRIP> that is located between the normal limit of the action of <WATER_WAVE>s above either mean high water springs or mean higher high water as defined by a National Authority and the maximum limit of the action of <WATER_WAVE>s; backshore precise.

119

PR

[FACC, Annex A: BA022]

BALCONY

A platform projecting from the <WALL> of a <BUILDING>, supported by pillars and/or brackets, and enclosed by a balustrade or low <WALL>; balcony. A balcony is also known as a deck.

120

[SOED, "balcony", 1]

BALLOON

An <AIRCRAFT> consisting of an airtight envelope designed to rise into the <ATMOSPHERE> when inflated with a gas that is less dense than <AIR> (for example: hot <AIR>), carrying a basket or car for passengers; balloon.

121

BAMBOO

A <GRASS> belonging to the genus Bambusa, Arundinaria, Phyllostachys, Sasa, or Dendrocalamus, most having hard, hollow stems; bamboo [SOED, "bamboo", A.1].

122

IR

[FACC, Annex A: EC010]

BAMBOO_TRACT

A <TRACT> of <BAMBOO>.

123

IR

[FACC, Annex A: EC010]

BANK_BUILDING

A <BUILDING> housing an establishment for the deposit, custody, and issue of money; for making loans and discounts; and for making easier the exchange of funds by certificates, checks, and/or notes; bank building [SOED, "bank", n3.3].

124

[S57A, Attribute, FUNCTN:13]

BARN

A <FARM_BUILDING> that is used to store crops (e.g., hay, grain), and implements and/or to house <NON_HUMAN_ANIMAL>s; barn [SOED, "barn", A.1 and A.2].

125

BARRACK

A <BUILDING> used to house <MILITARY_PERSONNEL>, which is typically large, unadorned, and intended for relatively temporary occupancy; barrack.

126

[SOED, "barrack", 2b]

BARREN_GROUND

An infertile or unproductive <TRACT> with little or no significant <VEGETATION>; barren ground.

127

IR

[FACC, Annex A: DA020]

BARRIER

A physical obstacle that prevents access and/or separates; barrier [SOED, "barrier", A.4].

128

IR

[FACC, Annex A: AP041]

BASEMENT

A <FLOOR_LEVEL> of a <BUILDING> located wholly or partially below the level of the <LAND>; basement [SOED, "basement", 1].

129

BAT

A flying <MAMMAL> of the order Chiroptera, the members of which are mainly nocturnal and have forelimbs that support membranous wings extending to the tail; bat [SOED, "bat", 3].

130

BATHYMETRIC_PROVINCE

A <WATERBODY_FLOOR_PROVINCE> of homogeneous bathymetric characteristics; bathymetric province.

131

IR

[SP35, "bathymetric province"]

BATTLESHIP

A <WATER_SURFACE_VESSEL> of the most heavily armed and <<ARMOURED>> class, of sufficient size to take part in a main attack; battleship [SOED, "battleship"].

132

BEACH

The <SHORE> of a <WATERBODY> that consists of unconsolidated <MATERIAL>s (for example: <SAND> and/or small <STONE>s), including the <FORESHORE> and the <BACKSHORE_PRECISE>; beach.

133

IR

[SP35, "beach"]

[FACC, Annex A: BA050]

BEACH_PROFILE

A representation of the vertical relief of a <WATERBODY_FLOOR> and adjacent <LAND> along a <LINE> or series of connected <LINE>s generally established perpendicular to the local <SHORELINE> and based on <DEPTH_CONTOUR_LINE>s, <SOUNDING>s, and other measurements of the depth at or below a shared <SURFACE_DATUM>; beach profile.

134

IR

[FACC, Annex A: BE050]

BEACH_ZONE

A <TRACT> defined from the <SHORE> inland for a predetermined distance and/or to the first existence of a <LAND_TRANSPORTATION_ROUTE> and from the <SHORE> seaward to a predetermined depth; beach zone.

135

IR

[FACC, Annex A: BA050]

BEACON

A fixed <DEVICE> that serves as an <AID_TO_NAVIGATION>; beacon. A beacon, which is usually elevated, typically functions by emitting a signal (for example: a flashing <LIGHT> or a radar pulse) warning of its <LOCATION>.

136

IR

[S57A, Object: BCNSPP]

[FACC, Annex A: BC010]

BEDROCK

Solid <ROCK> underlying unconsolidated <MATERIAL> (for example: <SEDIMENT>, <SOIL>, or alluvial deposits); bedrock [MWCD, "bedrock", 1].

137

BENCH

A long seat, usually of wood or <ROCK>, with or without a back; bench [SOED, "bench", 1].

1431

BENCHMARK

A reference mark on a permanent <OBJECT> indicating <<ELEVATION>>; benchmark.

138

PR

[FACC, Annex A: ZB020]

BICYCLE

A <GROUND_VEHICLE> having two wheels turned by pedalling, typically with handle bars at the front and a seat or saddle for the rider; bicycle [SOED, "bicycle"].

1446

BICYCLE_LANE

A <ROUTE_LANE_LAND>, typically narrow, that has been designated by <DISPLAY_SIGN>s and/or pavement markings for preferential or exclusive use by <BICYCLE>s; bicycle lane.

1447

IR

[MUTCD, "bicycle lane"]

BIOLOGIC_HAZARD_REGION

A <REGION> in which a biologic substance is present that can kill, seriously injure, or incapacitate a <HUMAN> and/or <NON_HUMAN_ANIMAL> through its physiological properties; biologic hazard region. The biologic substance is usually dispersed over a <SURFACE> and/or within the <ATMOSPHERE>.

139

BIOLUMINESCENCE

The production of light without sensible heat by <LIVING_ORGANISM>s as a result of chemical reaction either within cells or organs or extracellulary in some form of secretion; bioluminescence.

140

IR

[SP35, "bioluminescence"]

BIRD

A <VERTEBRATE> of the class Aves, characterized by forelimbs as wings for flight, oviparous reproduction, and care for the young; bird [SOED, "bird", B].

141

BLAST_BARRIER

A <BARRIER> used to divert and/or dissipate jet or propeller blast.

142

PR

[FACC, Annex A: GB025]

BLAST_FURNACE

A smelting <FURNACE> in which a blast of <AIR> is used, especially one for iron-smelting using a compressed hot blast of <AIR>; blast furnace [SOED, "blast-furnace"].

143

IR

[FACC, Annex A: AC010]

BLIMP

A small <AIRSHIP> that does not have a rigid frame; blimp.

144

BLOCKHOUSE

A military <FORTIFICATION> constructed of sturdy <MATERIAL>s (for example: concrete) and designed with <WALL_LOOPHOLE>s; blockhouse [SOED, "blockhouse", a].

145

BOARDWALK

A walkway made of wooden planks; boardwalk.

146

PR

[FACC, Annex A: AQ030]

BOAT_LIFT

A mechanical <DEVICE> other than a <HYDROGRAPHIC_LOCK> for lifting <WATER_SURFACE_VESSEL>s between two levels; boat lift.

147

PR

[FACC, Annex A: BI005]

BOAT_TURNING_BASIN

A section of <CANAL> and/or <NAVIGABLE_WATERWAY> in which a barge or other <WATER_SURFACE_VESSEL> can be turned; boat turning basin.

148

PR

[FACC, Annex A: BI080]

BOG

A <WETLAND> having a wet, spongy, acidic substrate composed chiefly of sphagnum moss and peat in which characteristic <SHRUB>s, herbs, and, sometimes, <TREE>s usually grow; bog [AHD, "bog", 1a].

149

IR

[FACC, Annex A: BH015]

BOLLARD

A post on a <WHARF> used for fastening <MOORING_LINE>s; bollard.

150

PR

[FACC, Annex A: BB030]

BOMBER_WINGED_AIRCRAFT

A winged <AIRCRAFT> designed to carry and drop heavy loads of bombs; bomber winged aircraft.

151

BOMBORA_REGION

A <WATERBODY_REGION> where <WATER_WAVE>s form over a submerged offshore <SHOAL>, sometimes (in very calm weather and/or at high <TIDE>) nearly swelling but in other conditions breaking heavily and producing a dangerous stretch of broken <WATER>; bombora region.

152

PR

[S57A, Attribute, CATWAT:5]

BOTANICAL_GARDEN

A culturally designated <TRACT> where <PLANT>s are displayed; botanical garden.

153

IR

[FACC, Annex A: EA031]

BOTTOM_CHARACTERISTIC-
_REGION

A <WATERBODY_FLOOR_REGION> that is homogeneous with respect to a measurement (for example: consistency, colour, and/or composition); bottom characteristic region [DFDD, Feature Data Dictionary: BF010].

154

IR

[FACC, Annex A: BF010]

BOULDER

A detached mass of <ROCK>, which generally has an <<OUTSIDE_DIAMETER>> greater than 25 centimetres; boulder. A boulder may be much larger.

1480

BOULDER_FIELD

A <TERRAIN_SURFACE_REGION> characterized by <BOULDER>s; boulder field.

155

BOUNDARY

The limits of a <REGION>; that is, a <NON_EMPTY_SET> of <LOCATION>s characterized by the fact that any <LOCATION> included in the <NON_EMPTY_SET> is arbitrarily near to <LOCATION>s that are not contained in the given <REGION> as well as to <LOCATION>s that are contained in the given <REGION>; boundary.

156

BOUNDARY_COMPONENT

A <COMPONENT> of a <BOUNDARY>.

157

BOUNDARY_MONUMENT

A <MARKER> placed at a <LOCATION> that is associated with a surveyed <BOUNDARY>; boundary monument.

158

PR

[FACC, Annex A: ZB030]

BREACH

An <APERTURE> in a material <OBJECT> (for example: a <FORTIFICATION>, a <WALL>, and/or a <TERRAIN_OBSTACLE>), particularly one caused by violence or natural decay; breach.

159

BREACH_HOLE

A <BREACH> for entrance and/or egress of <HUMAN>s, typically about 60 centimetres in diameter; breach hole.

160

BREAKER_REGION

A <WATERBODY_REGION> where <WATER_WAVE>s break over off-lying <SHOAL>s and/or <REEF>s near the <SHORE>; breaker region.

162

PR

[S57A, Attribute, CATWAT:1]

BREAKWATER

A <STRUCTURE> that protects a <WATERBODY_REGION> (for example: a <SHORE>, a <HARBOUR>, an <ANCHORAGE>, and/or a <WATERBODY_SHELTER_BASIN>) from <WATER_WAVE>s by preventing them from reaching the protected <REGION> or reducing their magnitude; breakwater.

163

PR

[S32, "breakwater"]

BREAK_LINE

A <LINE> representing the demarcation of a sudden and significant change in the gradient of the <TERRAIN>; break-line.

161

PR

[FACC, Annex A: CA026]

BRIDGE

A <STRUCTURE> that connects two <LOCATION>s and provides for the passage of a <LAND_TRANSPORTATION_ROUTE> over a <TERRAIN_OBSTACLE> (for example: a <WATERBODY>, a <GULLY>, and/or a <ROAD>); bridge. A bridge consists of a <SET> of two or more <BRIDGE_PIER>s or <BRIDGE_TOWER>s joined by <BRIDGE_SPAN>s.

164

IR

[S57A, Object: BRIDGE]

BRIDGE_PIER

A pillar or abutment that supports a <BRIDGE_SPAN>; bridge pier.

165

PR

[FACC, Annex A: AQ056]

BRIDGE_PLATFORM

A <SITE> that has been sculpted (for example: levelled) to support and/or secure a <BRIDGE_PIER>; bridge platform.

166

BRIDGE_SPAN

A <COMPONENT> of the deck of a <BRIDGE> spanning successive <BRIDGE_PIER>s; bridge span.

167

PR

[FACC, Annex A: AQ045]

BRIDGE_SUPERSTRUCTURE

A <SUPERSTRUCTURE> of a <BRIDGE>, above the lowest deck; bridge superstructure.

168

PR

[FACC, Annex A: AQ050]

BRIDGE_TOWER

A <TOWER> and/or <PYLON> from which the deck of a <BRIDGE> is suspended; bridge tower.

169

PR

[FACC, Annex A: AQ055]

BRUSH_LAND

A <TRACT> covered by low-growing woody <PLANT>s; brush land. EXAMPLES Scrub, brush, bush.

170

IR

[FACC, Annex A: EB020]

BUCKET_ELEVATOR

<EQUIPMENT>, usually a series of buckets, for raising <MATERIAL>s to a higher level; bucket elevator.

171

PR

[FACC, Annex A: AF021]

BUDDHIST_TEMPLE

A <WORSHIP_PLACE> for Buddhist worship; Buddhist temple.

172

BUILDING

A fixed, relatively permanent <STRUCTURE> with a <ROOF> and usually with <WALL>(s) that is designed for use and occupancy by <HUMAN>s; building.

173

IR

[S57A, Object: BUISGL]

BUILDING_COMPONENT

A <COMPONENT> of a <BUILDING>. EXAMPLES <ROOF>, <WALL>, <DOOR>, <WINDOW>, <FLOOR>.

174

BUILDING_COMPONENT_ENTRANCE-
_OR_EXIT

A <STRUCTURE_ENTRANCE_AND_OR_EXIT> between <BUILDING_COMPONENT>s. EXAMPLE The doorway to a landing of a <STAIR>.

175

BUILDING_OVERHANG

A canopy or <LEDGE> attached to the exterior of a <BUILDING> and projecting beyond the <EXTERIOR_WALL> of the <BUILDING>; building overhang.

1432

BUILDING_SUPERSTRUCTURE

A <SUPERSTRUCTURE> of a <BUILDING> that rises from the <ROOF> but is not considered to be a <COMPONENT> of the <ROOF>; building superstructure.

176

PR

[FACC, Annex A: AL018]

BUILT_UP_REGION

A <TRACT> containing a concentration of <BUILDING>s and other <STRUCTURE>s; built-up region.

177

IR

[S57A, Object: BUAARE]

BUILT_UP_TERRAIN

A <TERRAIN_SURFACE_REGION> that has been built-up from its natural configuration.

178

IR

[FACC, Annex A: DB090]

BUNKER

A reinforced underground <SHELTER>, typically resistant to <MUNITION>s; bunker [SOED, "bunker", 5].

179

BUOY

A floating <OBJECT>, other than a <LIGHTSHIP>, moored or anchored to a <WATERBODY_FLOOR> at a particular <LOCATION> and serving a specific purpose (for example: an <AID_TO_NAVIGATION>); buoy.

180

PR

[S32, "buoy"]

BURIED_ELECTRICAL_CABLE

An <ELECTRICAL_CABLE> located underground and/or underwater; buried electrical cable.

181

BURIED_POWER_TRANSMISSION-
_LINE

A <SYSTEM> of <BURIED_ELECTRICAL_CABLE>s, supports, and conduits that transmits electricity over distance; buried power transmission line.

182

BUS

A long <MOTOR_VEHICLE> specifically designed to transport multiple individual <HUMAN>s, often along a fixed <LAND_TRANSPORTATION_ROUTE>; bus.

1448

IR

[FACC, Annex B, TUC:14]

[AHD, "bus", 1]

BUSINESS_WINGED_AIRCRAFT

A winged <AIRCRAFT> designed or designated for private business use.

186

IR

[JAWA, Type Classifications, Class 6]

BUS_DEPOT

A <BUILDING> where <BUS>s or coaches are housed and maintained and from which they are dispatched for service; bus depot.

183

[SOED, "depot", 3 b]

BUS_STATION

A <STRUCTURE>, usually in a <TOWN> or <CITY>, that serves as a <BUS_STOP>, especially for long-distance <BUS>s or coaches; bus station [SOED, "bus station"].

184

[S57A, Attribute, FUNCTN:42]

BUS_STOP

A <LOCATION> where <BUS>s and coaches regularly stop to take on and/or let off passengers; bus-stop.

185

[SOED, "bus-stop"]

BUTTE

A <MESA> that has further eroded to have steep but sloping sides resulting in a rounded top; butte.

187

[APDS, "butte"]

CABIN

A <BUILDING> at a remote and/or wilderness <LOCATION>; cabin.

188

IR

[FACC, Annex A: AL101]

CADASTRAL_CONSTRUCTION

A <STRUCTURE> with unique characteristics used to support cadastral surveys; cadastral construction.

189

IR

[FACC, Annex A: IA050]

CADASTRAL_CONTROL_POINT

A <LOCATION> used for locating and orienting a cadastral survey; cadastral control point.

190

IR

[S57A, Object: CTRPNT]

CAIRN

A heap of <STONE>s piled up as a landmark, a <SURVEY_MARKER>, or a <MEMORIAL_MONUMENT>; cairn. A cairn is usually conical or pyramidal.

191

IR

[S32, "cairn"]

[FACC, Annex A: AL025], [SOED, "cairn", n1]

CAISSON

A steel <STRUCTURE> used for closing the entrance of <HYDROGRAPHIC_LOCK>s, <WET_DOCK>s and <DRY_DOCK>s; caisson.

192

PR

[S32, "caisson"]

[FACC, Annex A: BI042]

CALLING_IN_POINT

A <LOCATION> some distance from a <HARBOUR> at which the navigator of a <VESSEL> notifies the authority for that <HARBOUR> of the position of the <VESSEL>; calling in point.

193

PR

[FACC, Annex A: BB050]

CALVARY_CROSS

A <STRUCTURE> that is mounted on a pedestal and composed of an upright member with a shorter horizontal member centred at approximately two thirds of the <<HEIGHT>> of the upright member; Calvary cross.

194

PR

[FACC, Annex A: AL116]

CAMBER

A small <WATERBODY_SHELTER_BASIN>, usually with a narrow <STRUCTURE_ENTRANCE>, situated inside a <HARBOUR>; camber.

195

PR

[S32, "camber"]

CAMP

A <TRACT> where <TENT>s and/or <BUILDING>s serve as temporary residences; camp.

196

PR

[FACC, Annex A: AI030]

CAMPGROUND

A <TRACT> designed for camping; campground.

197

PR

[FACC, Annex A: AK060]

CANAL

A man-made or improved natural <WATERCOURSE> used for transportation, irrigation, and/or movement of <WATER>; canal.

198

IR

[FACC, Annex A: BH020]

[SOED, "canal", n.4]

CANAL_NEXUS

A representation of one or more <CANAL>s, especially in a <BUILT_UP_REGION>; canal nexus.

199

CANAL_ROUTE

A navigable <WATERBODY_ROUTE> consisting primarily of <CANAL>s but sometimes including <WATERBODY>s (for example: <LAKE>s and/or <RESERVOIR>s).

200

IR

[FACC, Annex A: FC168]

CANYON

A deep <GORGE>, frequently with a <RIVER> at its bottom; canyon [SOED, "canyon", A].

201

CAPITOL_BUILDING

A <BUILDING> in which a national or sub-national legislature meets; capitol building.

202

IR

[FACC, Annex B, BFC:3]

CARGO

The goods carried by a <VEHICLE>; cargo [SOED, "cargo", 1.a]. A cargo is also known as a load.

203

CARGO_CONTAINER

A large reusable <CONTAINER> that is designed for the efficient handling of <CARGO> by accommodating smaller cartons and/or cases in a single shipment.

204

CARGO_CONTAINER_FACILITY

A <FACILITY> used to store <CARGO_CONTAINER>s.

205

CARNIVORE

A <MAMMAL> of the order Carnivora; carnivore. EXAMPLES Dog, cat, bear, seal.

206

[SOED, "carnivore"]

CARPENTRY_BUILDING

A <BUILDING> in which wooden <OBJECT>s are manufactured or repaired; carpentry building. A carpentry building is also known as a carpentry shop.

207

IR

[FACC, Annex B, BFC:73]

CART_TRACK

An unimproved <ROAD>; cart track.

208

PR

[FACC, Annex A: AP010]

CASTLE

A large fortified <NON_EMPTY_SET> of <BUILDING>s with thick <WALL>s, usually dominating the surrounding <TERRAIN_SURFACE_REGION>; castle [SOED, "castle", I.1].

209

CATALYTIC_CRACKER

A <DEVICE> in which the separation of <PETROLEUM> is carried out in the presence of a catalyst; catalytic cracker.

210

PR

[FACC, Annex A: AC020]

CATCH_BASIN

A receptacle located where a <STORM_DRAIN> empties into a <SEWER> and designed to trap solid <OBJECT>s and separate them from waste <WATER> flowing into the <SEWER>; catch basin.

1449

IR

[AHD, "catch basin", 1]

[VDARCH, "catch basin"]

CATHEDRAL

A large, imposing <BUILDING> functioning as a <WORSHIP_PLACE>; cathedral [SOED, "cathedral", 2].

211

CATHOLIC_CATHEDRAL

The principal <CHURCH> of a diocese, containing the bishop's throne; Catholic cathedral [SOED, "cathedral", B.1].

212

CATWALK

A suspended narrow footway or platform; catwalk [SOED, "catwalk"].

213

CAUSEWAY

A raised <ROAD> supported by a solid <STRUCTURE> and/or raised <LAND> providing a <LAND_TRANSPORTATION_ROUTE> across either a wet <TERRAIN_SURFACE_REGION> or an intertidal <TERRAIN_SURFACE_REGION>; causeway.

214

IR

[S57A, Object: CAUSWY]

CAVE

A natural subterranean chamber or series of chambers open to the <PLANETARY_SURFACE>; cave.

215

PR

[FACC, Annex A: DB030]

CAVE_NEXUS

A representation network of passages composed of one or more interconnected <CAVE>s; cave nexus.

1441

CAVITATION

The turbulent formation, generally mechanically induced and including growth and collapse, of bubbles in a fluid, occurring when the static pressure at any <LOCATION> in fluid flow is less than the fluid vapour pressure; cavitation.

216

IR

[SP35, "cavitation"]

CAVITATION_NOISE

The noise produced in a liquid by the collapse of bubbles that have been created by <CAVITATION>.

217

IR

[SP35, "cavitation noise"]

CAY

A small insular <TRACT>, usually of <SAND> or <CORAL>, with scant <VEGETATION>; cay. A cay is also known as a small coral shoal.

218

IR

[SP35, "cay"]

CEASE_FIRE_LINE

A <LINE> along which active hostilities are suspended; cease fire line.

219

PR

[FACC, Annex A: FA030]

CEILING_CRAWL_SPACE

A space within a <BUILDING>, located above a <ROOM_CEILING>, and providing access to ducts and usually of restricted <<HEIGHT>> but having sufficient <<HEIGHT>> for <HUMAN>s to crawl; ceiling crawl space.

220

CELESTIAL_BODY

Any <OBJECT> pertaining to the heavens and constituting a unit for astronomical study; celestial body. EXAMPLES <STAR>, <PLANET>, <COMET>.

221

PR

[S32, "celestial body"]

CEMETERY

A <TRACT> and associated <STRUCTURE>s devoted to the burial of the dead; cemetery.

222

IR

[S57A, Object: CEMTRY]

CEMETERY_BUILDING

A <BUILDING> associated with a <CEMETERY>.

223

IR

[FACC, Annex B, BFC:18]

CENTRE_LINE

A real or imaginary <LINE> indicating and/or marking the cross-sectional centre of an <OBJECT> along its primary extent; centre-line [SOED, "centre-line"].

224

CEPHALOPOD

A <MOLLUSC> of the class Cephalopoda, members of which have a well-developed head surrounded by tentacles; cephalopod [SOED, "cephlopod"]. EXAMPLES Cuttlefish, octopus, nautilus, ammonite (extinct form).

225

CHAIN

A flexible length formed of metal links, rods, or plates, used as a tensioner and to drag, lift, support, and/or restrain <OBJECT>s; chain.

226

IR

[FACC, Annex A: BD074]

[SOED, "chain", 1]

CHANCERY

A <BUILDING> containing an office for public records; chancery.

227

[SOED, "chancery", 3]

CHANGE_LINE

A <LINE> within a <REGION> indicating where the properties of the <REGION> change significantly; change line.

228

CHANGE_POINT

A <LOCATION> on a linear <OBJECT> where the properties of the <OBJECT> change significantly; change point.

229

PR

[FACC, Annex A: ZD015]

CHAPEL

A Christian <WORSHIP_PLACE>, usually smaller than a <CHURCH>, and especially one that is attached to a larger <BUILDING> (for example: a private <HOUSE> and/or an institution); chapel [SOED, "chapel", 1].

230

CHECKPOINT

An official <SITE> to register, declare, and/or check goods and <HUMAN>s; checkpoint.

231

PR

[S57A, Object: CHKPNT]

CHEMICAL_HAZARD_REGION

A <REGION> in which a chemical substance is present that can kill, seriously injure, and/or incapacitate a <HUMAN> or <NON_HUMAN_ANIMAL> through its physiological properties; chemical hazard region. The chemical substance is usually dispersed over a <SURFACE> and/or within the <ATMOSPHERE>.

232

CHIMNEY

A <COMBUSTION_PRODUCT_DISCHARGE_STRUCTURE> attached to and rising above the <ROOF> of a <BUILDING>; chimney.

233

IR

[S57A, Object: CHIMNY]

CHRISTIAN_TEMPLE

A <BUILDING> functioning as a <WORSHIP_PLACE> for public Christian worship; Christian temple [SOED, "temple", A.I.3].

234

CHURCH

A <BUILDING> functioning as a <WORSHIP_PLACE> for public, especially Christian, worship; church [SOED, "church", 1].

235

CIRCULAR_IRRIGATION-
_SYSTEM

An elevated irrigation <SYSTEM> revolving around a central pivot <LOCATION>; circular irrigation system.

236

PR

[FACC, Annex A: AJ010]

CISTERN

A man-made <STORAGE_TANK> used for the collection and/or storage of <WATER>; cistern.

237

IR

[FACC, Annex A: BI010]

[SOED, "cistern", 1]

CITY

A concentration of <DWELLING>s, <COMMERCIAL_BUILDING>s, <INDUSTRIAL_BUILDING>s, and other <STRUCTURE>s where <HUMAN>s have settled that is larger than a <TOWN> and usually smaller than a <BUILT_UP_REGION>; city.

238

CITY_HALL

The <MUNICIPAL_HALL> of a <CITY>.

239

[SOED, "city hall"]

CIVILIAN_MOTOR_VEHICLE

A <MOTOR_VEHICLE> used for civilian activities.

240

CIVILIAN_PERSONNEL

<PERSONNEL> who are not members of an armed force; civilian personnel.

241

CLAIM_LINE

A <BOUNDARY> of a <REGION> that is unilaterally claimed by one political group without the consent of or negotiation with another; claim line.

242

PR

[FACC, Annex A: FA040]

CLIFF

A vertical or nearly vertical face of <ROCK> in the <TERRAIN> of considerable <<HEIGHT>>; cliff.

243

[SOED, "cliff", 1.a]

CLIFF_BOTTOMLINE

A <LINE> representing the demarcation of a sudden and significant change in the gradient of the terrain relief occurring at the bottom of a <CLIFF>.

244

IR

[FACC, Annex A: DB500]

CLIFF_DWELLING

A <DWELLING> built into the recesses of a <CLIFF>.

245

PR

[FACC, Annex A: AL040]

CLIFF_TOPLINE

A <LINE> representing the demarcation of a sudden and significant change in the gradient of the terrain relief occurring at the top of a <CLIFF>.

246

IR

[FACC, Annex A: DB501]

CLOSET

A small <ROOM> belonging with and opening to a larger <ROOM>; closet.

247

[SOED, "closet", A.1]

CLOUD

A visible aggregate of minute droplets of <WATER>, <PARTICLE>s of <ICE>, or both, suspended in the <ATMOSPHERE> above the <PLANETARY_SURFACE> of the <EARTH>; cloud.

248

PR

[WMO182, C1450, "cloud"]

CLOUD_BASE

The lowest level in a specific <CLOUD> or <CLOUD_LAYER> where the <ATMOSPHERE> contains a perceptible quantity of <PARTICLE>s of the <CLOUD>; cloud base.

249

IR

[GMET, "cloud base"]

CLOUD_LAYER

An arrangement of <CLOUD>s, continuous or composed of separated <COMPONENT>s, where the <<CLOUD_BASE_LEVEL>>s are the same and the <<CLOUD_THICKNESS>>s are approximately the same; cloud layer.

250

PR

[WMO182, C1690, "cloud layer"]

CLOUD_TOP

The highest level in a specific <CLOUD> or <CLOUD_LAYER> where the <ATMOSPHERE> contains a perceptible quantity of <PARTICLE>s of the <CLOUD>; cloud top.

251

PR

[WMO182, C1960, "cloud top"]

COAST

A <TERRAIN_STRIP> of indefinite <<WIDTH>> that extends from the <COASTLINE> inland to the first major change in the <TERRAIN>; coast [BOWD, "coast"].

252

IR

[FACC, Annex A: BA011]

[SOED, "coast", 2]

COASTLINE

The <LAND_WATER_BOUNDARY> where the <COAST> and the <SHORE> are in contact; coastline.

253

IR

[S57A, Object: COALNE]

COLD_FRONT

An <ATMOSPHERIC_FRONT> between warm and cold <AIR_MASS>s that is not an <OCCLUDED_FRONT> and that moves so that the colder <AIR> replaces the warmer <AIR>; cold front.

254

PR

[WMO182, C2210, "cold front"]

COLLEGIATE_CAMPUS

The <BUILDING>s and <GROUNDS> of an institution offering special instruction in professional and/or technical subjects, which may also include <FACILITY>s for research and the award of advanced degrees; collegiate campus. A collegiate campus is also known as a university campus or college campus.

255

COMBATANT_VEHICLE

A <GROUND_VEHICLE> designed or designated to participate in military combat operations as a combatant.

259

COMBATANT_VESSEL

A <WATER_SURFACE_VESSEL> designed or designated to participate in military combat operations as a combatant.

260

COMBAT_STORES_VESSEL

A <WATER_SURFACE_VESSEL> designed or designated to support underway replenishment of <COMBAT_SUPPORT_VESSEL>s and <COMBATANT_VESSEL>s; combat stores vessel.

256

COMBAT_SUPPORT_VEHICLE

A <GROUND_VEHICLE> designed or designated to provide support and operational assistance to <COMBATANT_VEHICLE>s; combat support vehicle.

257

COMBAT_SUPPORT_VESSEL

A <WATER_SURFACE_VESSEL> designed or designated to provide support and operational assistance to <COMBATANT_VESSEL>s; combat support vessel.

258

COMBUSTION_PRODUCT_DISCHARGE-
_STRUCTURE

A vertical <STRUCTURE> containing a passage and/or flue for discharging <SMOKE> and gases of combustion; combustion product discharge structure.

261

PR

[FACC, Annex A: AF010]

COMET

A <SMALL_STAR_SYSTEM_BODY> that orbits a <STAR> in a highly elliptical path and, when in the vicinity of that <STAR>, usually has a bright hazy head and a long more diffuse tail; comet [SOED, "comet", A.1].

262

COMMERCIAL_BUILDING

A <BUILDING> used to conduct business activities; commercial building.

263

IR

[FACC, Annex B, BFC:133]

COMMERCIAL_HELICOPTER

A <HELICOPTER> designed or designated for use in commerce; commercial helicopter.

264

COMMERCIAL_WINGED_AIRCRAFT

A winged <AIRCRAFT> designed or designated for use in commerce; commercial winged aircraft.

265

IR

[JAWA, Type Classifications, Class 5]

COMMUNICATION_FACILITY

A <FACILITY> including one or more <COMMUNICATION_STATION>s.

266

IR

[FACC, Annex A: AT050]

COMMUNICATION_STATION

A <BUILDING> in which communication signals are processed and/or controlled; communication station. EXAMPLES Telephone switching station, microwave repeater station, <SATELLITE_GROUND_STATION>, cellular telephone <EQUIPMENT>, land-line telephone repeater station.

267

PR

[FACC, Annex A: AT050]

COMMUNICATION_TOWER

A <TOWER> used for supporting an <AERIAL> for transmitting and/or receiving electronic communication signals.

268

IR

[FACC, Annex A: AT080]

COMMUNITY_RECREATION-
_BUILDING

A <BUILDING> used for recreational exercise and minor sports competitions, which typically serves a small <TOWN>, community, or local <BUILT_UP_REGION>; community recreation building. A community recreation building is also known as a community centre.

269

[SOED, "community centre"]

COMMUNITY_RECREATION-
_FACILITY

A <FACILITY> including one or more <COMMUNITY_RECREATION_BUILDING>s.

270

COMPLEX_OUTLINE

The <BOUNDARY> delimiting a <REGION> in which two or more like <OBJECT>s have the same function; complex outline.

271

PR

[FACC, Annex A: AL045]

COMPLEX_TERMINAL_ROUTE

A <NON_EMPTY_SET> of <ATS_ROUTE>s, action points, and various approach minimum altitudes and distances from the end of a landing <RUNWAY> as functions of <AIRCRAFT> type and instrument approach procedures; complex terminal route.

272

IR

[FACC, Annex A: GA047]

COMPONENT

An <OBJECT> that is a constituent part of another (aggregate) <OBJECT> but, by itself, does not fulfill the function of the aggregate; component.

273

CONSULATE

A <BUILDING> housing the residence and/or official premises of an official appointed by a government to reside in a foreign country, represent its commercial interests, and assist its citizens there; consulate.

274

IR

[FACC, Annex B, BFC:67]

CONTACT_ZONE

A <TERRAIN_STRIP> that is 3 metres wide and limited on the water side by the <LAND_WATER_BOUNDARY> of a <WATERBODY> under average water level conditions; contact zone [DFDD, Feature Dictionary: FA041].

275

PR

[FACC, Annex A: FA041]

CONTAINER

A <DEVICE> designed to contain <MATERIAL>s; container.

276

[SOED, "container"]

CONTOUR

An elevation or depression <ISOPLETH>; contour.

277

IR

[FACC, Annex A: CA010]

CONTROLLED_AIRSPACE

A designated <AIRSPACE> within which some or all <AIRCRAFT> may be subjected to air traffic control; controlled airspace.

281

PR

[FACC, Annex A: GA005]

CONTROL_PANEL

A panel on which are mounted switches, dials, and/or other mechanisms for the remote control and/or operation of <EQUIPMENT> (for example: electrical <EQUIPMENT>).

278

CONTROL_TOWER

A <TOWER> that houses <PERSONNEL> and <EQUIPMENT> used to control the flow of traffic on a <TRANSPORTATION_ROUTE>; control tower.

279

PR

[FACC, Annex A: AQ060]

CONTROL_VALUE

A value of an EDCS Attribute or an algorithmic quantity to be used in evaluating an algorithmic expression; control value.

280

CONVENT

A <RELIGIOUS_COMMUNITY> of women; convent [SOED, "convent", 3].

282

CONVEYOR

<EQUIPMENT> for moving <MATERIAL>s from place to place on a moving belt or series of rollers; conveyor.

283

PR

[S57A, Object: CONVYR]

COOLING_TOWER

A <TOWER> used to cool liquids; cooling tower.

284

PR

[FACC, Annex A: AF030]

CORAL

A hard calcareous <MATERIAL> consisting of the continuous skeleton of marine coelenterate polyps; coral.

285

[SOED, "coral", 1]

CORRECTIONAL_BUILDING

A <BUILDING> within which persons convicted or accused of crimes are confined; correctional building. A correctional building is also known as a penitentiary.

286

CORRECTIONAL_FACILITY

A <FACILITY> including one or more <CORRECTIONAL_BUILDING>s; correctional facility.

287

IR

[FACC, Annex B, BFC:123]

COUNTY_HALL

A <BUILDING> that houses the main offices of a county government; county hall. In the US, a county hall is also known as a court-house.

288

[SOED, "county hall"]

COURTYARD

An open <TRACT> surrounded by <WALL>s and/or <BUILDING>s that is located within the precincts of a large <BUILDING>, <CASTLE>, or <BUILT_UP_REGION>; courtyard.

289

[SOED, "courtyard"]

COVERED_WATERCOURSE

A covered portion of a <WATERCOURSE>, preventing its observation.

290

IR

[FACC, Annex A: SA060]

CRANE

<EQUIPMENT> for lifting, shifting, and lowering <OBJECT>s or <MATERIAL>s by means of a swinging boom or with a lifting apparatus supported on an overhead track; crane.

291

PR

[S57A, Object: CRANES]

CREVASSE

A deep crack or fissure in a <GLACIER>, which results from differential movement of <ICE>, or a deep vertical opening in the <TERRAIN> that appears after an earthquake; crevasse.

292

IR

[FACC, Annex A: DB060]

[SOED, "crevasse", 1]

CREVICE

A narrow opening or fissure produced by a crack in the <TERRAIN>, especially in <ROCK>; crevice.

293

IR

[FACC, Annex A: DB060]

[SOED, "crevice", 1]

CRIB

A permanent <STRUCTURE> set in a <WATERBODY>, framed with heavy wooden <STRUCTURAL_BEAM>s, and sunken with debris (for example: <STONE>s), usually designed to support or elevate <PIPELINE>s; especially a <STRUCTURE> enclosing a screening <DEVICE> at the offshore end of a potable <WATER_INTAKE>; crib.

294

PR

[S32, "crib"]

CROP_LAND

A <TRACT> that has been tilled for the planting of crops; crop land.

295

PR

[FACC, Annex A: EA010]

CROSSING

A <LOCATION> where <LAND_TRANSPORTATION_ROUTE>s intersect or cross at the same vertical level; crossing. EXAMPLES Railway crossing, road intersection, <FORD>.

297

IR

[FACC, Annex A: AQ062]

CROSS_COUNTRY_BARRIER

A permanent or semi-permanent <BARRIER> placed across any <TERRAIN> to prevent <GROUND_VEHICLE> or pedestrian traffic; cross-country barrier.

296

CRUISER

A fast, medium tonnage <WATER_SURFACE_VESSEL> operating over a long cruising radius; cruiser [AHD, "cruiser", 1].

298

CRUSTACEAN

An <ARTHROPOD> of the large class Crustacea, mainly aquatic and hard-shelled; crustacean [SOED, "crustacean", A]. EXAMPLES Crab, lobster, shrimp, woodlouse.

299

CULVERT

An enclosed channel for carrying a <WATERCOURSE> (e.g., a <RIVER>, a <SEWER>, or a drain) under a <ROUTE> (e.g., a <ROAD>, a <RAILWAY>) or an <EMBANKMENT>; culvert [DFDD, Feature Dictionary: AQ065]. Usually the construction of the <ROUTE> is unaffected.

300

PR

[FACC, Annex A: AQ065]

CURB

A raised border of hard <MATERIAL>, e.g., stone or concrete, often forming part of a gutter, along the <BOUNDARY> of a <LAND_TRANSPORTATION_ROUTE> and/or <VEHICLE_LOT>; curb. A curb is also known as a kerb.

1451

IR

[AHD, "curb", 1]

[SOED, "curb", 8]

CURRENT

A body of a fluid that is flowing in a definite <DIRECTION>; current [SOED, "current", n.1].

301

IR

[FACC, Annex A: BG010]

CUSTOMS_HOUSE

A <GOVERNMENT_BUILDING> serving as a <CHECKPOINT> where customs duties are collected and shipments or <VEHICLE>s are cleared for entering or leaving a country; customs house.

302

[SOED, "custom-house"]

CYCLONE

An <ATMOSPHERE_REGION> in which the <<ATM_PRESSURE>>s are lower than those of the surrounding <ATMOSPHERE_REGION> at the same <<ALTITUDE_MSL>>; cyclone. A cyclone is also known as a depression.

303

PR

[WMO182, D0230, "depression/cyclone"]

DAM

A permanent <BARRIER> across a <WATERCOURSE> that is used to impound <WATER> and/or to control its flow; dam.

304

IR

[S57A, Object: DAMCON]

DATA_QUALITY_BOUNDARY

A <BOUNDARY> between two <DATA_QUALITY_REGION>s.

305

DATA_QUALITY_REGION

A <REGION> with specific data quality characteristics.

306

DATUM

An <OBJECT> used as a reference for defining spatial aspects of other <OBJECT>s; datum.

307

DECONTAMINATION_PAD

A <SITE> where a radiologically, biologically, and/or chemically contaminated <AIRCRAFT> is sent for decontamination; decontamination pad.

308

PR

[FACC, Annex A: GB160]

DEEP_SOUND_CHANNEL

The deepest <SOUND_CHANNEL> in an <OCEAN>.

309

[PUWS]

DEEP_WATER_ROUTE

A <WATERBODY_ROUTE> through a deep <WATERBODY> plus related <NAVIGATION_MARK_FIXED>s and/or <NAVIGATION_MARK_AFLOAT>s; deep water route.

310

IR

[FACC, Annex A: FC166]

DEFACTO_BOUNDARY

A <BOUNDARY> not officially recognized by various governments; defacto boundary.

311

PR

[FACC, Annex A: FA060]

DEFENSIVE_POSITION

One or more <STRUCTURE>s constructed for the military defence of a <SITE> that are resistant to <MUNITION>s; defensive position.

312

DEFENSIVE_POSITION_DEFILADE

A <TERRAIN_SURFACE_REGION> affording protection or shielding from hostile ground observation and flat projecting fire; defensive position defilade. The protection is provided by a <TERRAIN_OBSTACLE> (for example: a <DEFENSIVE_POSITION>, a <HILL>, and/or a <PARAPET>).

313

DEFINED_WATER

A <WATERBODY_REGION> plus related <NAVIGATION_MARK_FIXED>s and/or <NAVIGATION_MARK_AFLOAT>s delimited for the purposes of: defining <WATERBODY_ROUTE>s; communicating port signals or communicating firing practice signals; or serving as a <WAYPOINT>, <CALLING_IN_POINT>, or an <ANCHORAGE>; defined water.

314

IR

[FACC, Annex A: FC167]

DEMILITARIZED_ZONE

A <REGION> where military activity is prohibited; demilitarized zone.

315

PR

[FACC, Annex A: FA070]

DEPOT

A <RAILWAY_STATION> or <BUS_STATION>, usually with an attached <WAREHOUSE>; depot.

316

[SOED, "depot", 3b]

DEPTH_CONTOUR_LINE

An <ISOPLETH> of constant depth at and below a <SURFACE_DATUM>; depth contour line.

317

IR

[S57A, Object: DEPCNT]

DEPTH_CURVE

A navigational safety <LINE> indicating that no <SOUNDING> of a lesser depth exists seaward of the <LINE>, but greater depths may occur on the shallow side of the <LINE>; depth curve.

318

PR

[FACC, Annex A: BE010]

DEPTH_REGION

A <WATERBODY_REGION> containing <SOUNDING>s within a defined range of values permanently at or below a reference <SURFACE_DATUM>; depth region.

319

IR

[S57A, Object: DEPARE]

DESCRIBED_POINT

A <LOCATION> at which text pertaining to that <LOCATION> is annotated; described point.

320

IR

[FACC, Annex A: ZD045]

DESERT_REGION

A dry, often sandy, <TRACT> of little rainfall, extreme <<AIR_TEMPERATURE>>s, and sparse <VEGETATION>; desert region [AHD, "desert", 1.a].

321

DESTROYER

A fast, highly maneuverable <WATER_SURFACE_VESSEL> armed with guns, torpedoes, and depth charges; destroyer [AHD, "destroyer", 2].

322

DETENTION_FACILITY

A <FACILITY> for the confinement of <HUMAN>s in lawful detention who are convicted or accused of crimes; detention facility.

323

DEVICE

An <OBJECT> designed for a particular function or adapted for a particular purpose, especially a (simple) mechanical contrivance; device [SOED, "device", 3].

324

DIAGNOSTIC_POINT

A <LOCATION> used to check the accuracy of a <SYSTEM>; diagnostic point.

325

PR

[FACC, Annex A: ZB040]

DIAMOND_DUST

<SOLID_PRECIPITATION> that falls from a clear sky in very small crystals of <ICE>, often so tiny that they appear to be suspended in the <AIR>; diamond dust.

326

PR

[WMO182, D0530, "diamond dust"]

DIPLOMATIC_BUILDING

A <BUILDING> that houses and/or supports the activities of an ambassador; diplomatic building.

327

IR

[FACC, Annex B, BFC:96]

DIRECTION

A direction in relation to a <LOCATION>. EXAMPLES Course, bearing.

328

[SOED, "direction", 6.a]

DIRIGIBLE

A steerable and self-propelled <AIRSHIP> with a rigid, elongated frame; dirigible.

329

DISCOLOURED_WATER

A <WATERBODY_REGION> having a colour distinctly different from that of the surrounding <REGION>; discoloured water.

330

IR

[FACC, Annex A: BD030]

DISH_AERIAL

A concave-shaped <AERIAL> that is used for transmitting and/or receiving electronic signals; dish aerial.

331

IR

[S57A, Object: DSHAER]

DISPLAY_LIGHT

A specially constructed <LIGHT> that illuminates <DISPLAY_SIGN>s or other <STRUCTURE>s; display light.

332

DISPLAY_SIGN

An upright panel or similar <STRUCTURE> used to convey visual information; display sign.

333

PR

[FACC, Annex A: AL050]

DISPLAY_SIGN_POLE

A <POLE> with one or more <DISPLAY_SIGN>s attached.

1452

DISPOSAL_SITE

A <REGION> for the collection and/or deposition of refuse or discarded <MATERIAL>; disposal site.

334

PR

[FACC, Annex A: AB000]

DISTANCE_MARK

A <MARKER> that indicates the value of distance measured from a starting <LOCATION> and consists of either a solid visible <STRUCTURE> or a distinct <LOCATION> without a special installation; distance mark.

335

PR

[S57A, Object: DISMAR]

DISTANCE_POST

A <MARKER> that designates the distance from a given <LOCATION>; distance post.

336

PR

[FACC, Annex A: AQ100]

DISTURBED_SOIL

<LAND> so disturbed as to have no identifiable type of <SOIL>; disturbed soil.

337

PR

[FACC, Annex A: SA020]

DOCK

The space between two <PIER>s; dock. A dock is also known as a slip.

338

PR

[S32, "dock"]

DOOR

A hinged or sliding <BARRIER> to the ingress into or egress from a <COMPONENT> of a <STRUCTURE> or <VEHICLE>; door [SOED, "door", 1.a].

339

DORMITORY

A <BUILDING> used to house <CIVILIAN_PERSONNEL> that is typically large, unadorned, and intended for relatively temporary occupancy; dormitory.

340

[SOED, "dormitory", 1.b]

DRAGLINE
F 2

An <EXCAVATING_MACHINE> with a <LOAD_CABLE> and a bucket or grab, in which the <LOAD_CABLE> and the bucket or grab is cast onto material and is then drawn towards the machine; drag-line.

341

[APDS, "dragline"], [SOED, "drag-line excavator"]

DRAGON_TEETH

A <NON_EMPTY_SET> of regularly spaced concrete or metal <TERRAIN_OBSTACLE>s laid in single or multiple rows to prevent the movement of <GROUND_VEHICLE>s; dragon teeth.

342

PR

[FACC, Annex A: AL060]

DREDGE

<EQUIPMENT> for collecting and bringing up <OBJECT>s or <MATERIAL> from a <WATERBODY_FLOOR> by dragging or scooping; dredge [SOED, "dredge", 2].

343

IR

[FACC, Annex A: AF050]

DRILLING_RIG

A <STRUCTURE> that enables <EQUIPMENT> (for example: a drill and/or instrumentation) to create a hole or to be deployed in a hole in the <TERRAIN>; drilling rig.

344

[SOED, "drilling rig"]

DRILLING_RIG_SUPERSTRUCTURE

The <SUPERSTRUCTURE> of a <DRILLING_RIG> that includes a <TOWER>, drill floor, and associated <EQUIPMENT>, including <LOAD_CABLE>s, pulleys, motors, and compressors.

345

IR

[POSC]

DRINKING_TROUGH

A man-made open <CONTAINER> holding <WATER> for drinking by <NON_HUMAN_ANIMAL>s; drinking trough.

346

IR

[FACC, Annex A: BH175]

DRIVEWAY

A private <ROAD> alongside, in front of, or leading to a <BUILDING> (for example: a <HOUSE> and/or a <PARKING_GARAGE>); driveway [SOED, "driveway", 3].

349

DRIVE_IN_THEATRE

A <RECREATIONAL_FACILITY> where motion pictures are shown on <DRIVE_IN_THEATRE_SCREEN>s while viewers remain in their <GROUND_VEHICLE>s; drive in theatre.

347

PR

[FACC, Annex A: AK070]

DRIVE_IN_THEATRE_SCREEN

A large outdoor screen <STRUCTURE> for showing motion pictures; drive in theatre screen.

348

PR

[FACC, Annex A: AK080]

DRIZZLE

Fairly uniform <PRECIPITATION> in very fine droplets (<<OUTSIDE_DIAMETER>> less than 0,5 millimetres) that are located very close to one another and are falling from a <CLOUD>; drizzle.

350

PR

[WMO182, D1140, "drizzle"]

DROP_GATE

A massive assemblage of <MATERIAL> (for example: concrete blocks and/or concrete cylinders) that is positioned above a <LAND_TRANSPORTATION_ROUTE> and is ready to be activated when needed as a potential <BARRIER> to an advancing enemy ground force; drop gate.

351

IR

[FACC, Annex A: AQ068]

DROP_ZONE

The <PLANETARY_SURFACE_REGION> into which <PERSONNEL> or <EQUIPMENT> are conveyed or dropped by means of a parachute from an <AIRCRAFT>; drop zone.

1433

DROVE

A wide <TRAIL> created by the regular movement of herds of <NON_HUMAN_ANIMAL>s; drove.

352

PR

[FACC, Annex A: AP060]

DRY_DOCK

An artificial <WATERBODY_SHELTER_BASIN> fitted with a <WATER_GATE> or <CAISSON> into which <VESSEL>s can be floated and the <WATER> pumped out to expose the bottom of the <VESSEL>; dry dock.

353

PR

[S32, "dock: dry"]

DRY_LAKE

A nearly level <TRACT> at the bottom of an undrained <GEOGRAPHIC_BASIN> in a <DESERT_REGION>, sometimes temporarily covered with <WATER>; dry lake.

354

[SOED, "playa", 1]

DRY_LAND

A <TRACT> neither permanently nor temporarily covered by <WATER>; dry land.

355

PR

[FACC, Annex A: DA030]

DUST

Solid <MATERIAL>s (for example: <SOIL>) in a minute and fine state of subdivision, so that the <PARTICLE>s are small and light enough to be easily raised and carried by the <WIND>; dust.

356

[SOED, "dust", 1]

DUST_SUSPENSION

A <NON_AQUEOUS_CLOUD>, <PLUME>, and/or <PUFF> composed of`<DUST>; dust suspension.

357

DWARF_PLANET

A <CELESTIAL_BODY> that (a) is in orbit around a <STAR>, (b) has sufficient <<MASS>> for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, (c) has not cleared the neighbourhood around its orbit, and (d) is not a <SATELLITE>; dwarf planet.

1481

IR

[IAUB5]

DWELLING

A <SHELTER> (for example: a <BUILDING>) used for living quarters; dwelling.

358

[SOED, "dwelling", 2]

DYKE

An artificial <EMBANKMENT> to contain or hold back <WATER>; dyke.

359

PR

[S32, "dike (or dyke)", 2]

DYKE_TOP

The top of a <DYKE>.

360

PR

[S57A, Object: DYKCRW]

EARLY_WARNING_RADAR-
_SITE

A <FACILITY> utilizing long-range radar to detect approaching <AIRCRAFT> and/or <MISSILE>s; early warning radar site.

361

PR

[FACC, Annex A: AT020]

EARTH

The primary <PLANET> of the <SUN> that is third in distance from the <SUN>, with an orbital mean <<RADIUS>> of approximately 149,6 million kilometres; Earth.

362

IR

EDDY

A circular movement of fluid running contrary to the main flow, usually formed where <CURRENT>s pass obstructions, between two adjacent <CURRENT>s flowing counter to each other, or along the edge of a <CURRENT> that is <<PERMANENT>>; eddy.

363

PR

[S57A, Attribute, CATWAT:2]

EDDY_REGION

A <REGION> where <EDDY>s occur.

364

ELECTRICAL_CABLE

A <NON_EMPTY_SET> of insulated <WIRE>s formed into one continuous strand for the purpose of transmitting electrical power or signals; electrical cable.

365

PR

[FACC, Annex A: AT005]

ELECTRICAL_FIELD

A <REGION> where a field of force produced by a electrically charged <OBJECT> or by a changing <MAGNETIC_FIELD> is found; electrical field [SOED, "electric field"].

366

ELECTRICAL_POWER_CABLE

An <ELECTRICAL_CABLE> for transmitting electrical power.

1461

ELECTRICAL_POWER_CONNECTION-
_LOCATION

A <LOCATION> at which an external <ELECTRICAL_POWER_CABLE> connects to the <SYSTEM> of internal <ELECTRICAL_POWER_CABLE>s of a <BUILDING>; electrical power connection location.

1462

ELECTRICAL_SIGNAL_CABLE

An <ELECTRICAL_CABLE> for transmitting electrical signals; electrical signal cable.

1453

ELECTRICAL_SIGNAL_CONNECTION-
_LOCATION

A <LOCATION> at which an external <ELECTRICAL_SIGNAL_CABLE> connects to the <SYSTEM> of internal <ELECTRICAL_SIGNAL_CABLE>s of a <BUILDING>; electrical signal connection location.

1454

ELECTRICAL_SIGNAL_LINE

A <SYSTEM> of <WIRE>s and their supports above the <TERRAIN> that transmit electrical signals over distance; electrical signal line. EXAMPLES Telegraph line, telephone line.

367

PR

[FACC, Annex A: AT060]

ELECTRICAL_SIGNAL_LINE-
_PYLON

A <PYLON> and/or <POLE> used to support an <ELECTRICAL_SIGNAL_LINE>.

368

PR

[FACC, Annex A: AT070]

ELECTRIFIED_RAILWAY-
_PYLON

A <PYLON> and/or <POLE> used to support a <POWER_TRANSMISSION_LINE> associated with an electrified <RAILWAY>.

369

IR

[DFAD, 536, "Electrified Railroad Gantries/Pylons"]

ELECTROMAGNETIC_MATERIAL-
_PROPERTY_SET

A <PROPERTY_SET> describing the electromagnetic properties of the <MATERIAL>s composing an <OBJECT>.

370

ELECTROMAGNETIC_PULSE

A broadband, high-intensity, short duration burst of electromagnetic radiation; electromagnetic pulse. The resulting <ELECTRICAL_FIELD>s and <MAGNETIC_FIELD>s may couple with electrical and/or electronic <SYSTEM>s to produce damaging current and voltage surges.

371

ELECTROMAGNETIC_REFRACTIVE-
_EVAPORATIVE_DUCT

A layer of the <ATMOSPHERE> that is over a <WATERBODY> and in which electromagnetic waves launched in certain <DIRECTION>s are guided by and/or trapped within the layer rather than propagating radially from their source, caused by a decrease in <<WATER_VAPOUR_PRESSURE>> with <<HEIGHT_AGL>> due to evaporation; electromagnetic refractive evaporative duct.

372

IR

[GOSS]

ELEVATED_ELECTRICAL-
_CABLE

An <ELECTRICAL_CABLE> located above a <PLANETARY_SURFACE>; elevated electrical cable.

373

IR

[FACC, Annex A: AT006]

ELEVATED_EM_DUCT

A layer of the <ATMOSPHERE> above a <PLANETARY_SURFACE>, in which electromagnetic waves are trapped due to changes in the index of refraction and the bottom of the layer is above the <PLANETARY_SURFACE>; elevated electromagnetic duct.

1434

IR

[BATT]

ELEVATION_CONTOUR_LINE

An <ISOPLETH> of constant <<ELEVATION>>; elevation contour line.

374

IR

[FACC, Annex A: CA010]

EMBANKMENT

A long, raised mound of <SOIL>, <ROCK>, and/or other <MATERIAL>s in the <TERRAIN>; embankment. An embankment is often used to hold back <WATER> or to support a <LAND_TRANSPORTATION_ROUTE> or <CANAL>.

376

[S32, "embankment"], [SOED, "embankment", 1]

EMBASSY

A <BUILDING> housing the office of an ambassador and/or the ambassador's staff; embassy.

377

[AHD, "embassy", 1]

EMBASSY_COMPOUND

An enclosed <SITE> containing an <EMBASSY>; embassy compound.

378

IR

[FACC, Annex B, BFC:66]

EM_PULSE_COMPTON_EFFECT

The <ELECTROMAGNETIC_PULSE> caused by the Compton effect following a nuclear explosion.

375

ENGINEER_BRIDGE

A temporary <BRIDGE> spanning and providing passage over a <TERRAIN_OBSTACLE> (for example: a <WATERBODY> and/or a <GULLY>); engineer bridge.

380

ENGINEER_DITCH

A <TRENCH> that is constructed to bury <PIPELINE>s, <ELECTRICAL_SIGNAL_LINE>s, or <POWER_TRANSMISSION_LINE>s; engineer ditch.

381

ENGINEER_TRENCH

An engineered <TRENCH> or combination <TRENCH> and <PARAPET>, usually placed to turn, slow, or stop the movement of <MOTOR_VEHICLE>s; engineer trench.

382

[SOED, "trench", 3.a]

ENGINE_TEST_CELL

A <STRUCTURE> where engines are tested; engine test cell.

379

PR

[FACC, Annex A: AF060]

EQUIPMENT

<OBJECT>s used and/or required for a particular purpose; equipment [SOED, "equipment", 1]. Equipment is also known as apparatus.

383

EQUIPMENT_COMPONENT

A <COMPONENT> of an item of <EQUIPMENT>.

384

ESCALATOR

<EQUIPMENT> consisting of a moving <STAIR> made on the endless-chain principle, so that the steps ascend or descend continuously, for carrying <HUMAN>s up or down; escalator.

385

[SOED, "escalator"]

ESCARPMENT

A steep, vertical, or overhanging face of <ROCK> and/or <SOIL> in the <TERRAIN>; escarpment.

386

PR

[FACC, Annex A: DB010]

ESKER

A long, narrow <RIDGE> of <SAND> and gravel deposited by a glacial <RIVER>; esker.

387

PR

[FACC, Annex A: DB100]

ESTUARY

An arm of a <WATERBODY> that extends inland to meet the mouth of a <RIVER> and includes a mixture of fresh and salt <WATER>; estuary [AHD, "estuary", 2].

388

EXCAVATING_MACHINE

<EQUIPMENT> for removing <MATERIAL>s (for example: <SOIL>) from the <TERRAIN>; excavating machine.

389

PR

[FACC, Annex A: AF050]

EXCAVATION

An excavated space in the <TERRAIN>; excavation [SOED, "excavation", 2]. An excavation is also known as a cavity or hollow.

390

EXHIBITION_GROUND

A <TRACT> where permanent <STRUCTURE>s exist to hold outdoor exhibitions; exhibition ground.

391

PR

[FACC, Annex A: AK091]

EXPLOSIVE_CHARGE

An explosive <DEVICE> that may be detonated to either damage or destroy <STRUCTURE>s or to move <ROCK>, <SOIL>, and/or other <MATERIAL>s; explosive charge.

392

EXPLOSIVE_LAND_MINE

An <EXPLOSIVE_MINE> used in land warfare.

393

[SOED, "land-mine", a]

EXPLOSIVE_MINE

An explosive <DEVICE> located on or below a <PLANETARY_SURFACE>, usually emplaced for military purposes; explosive mine [SOED, "land-mine", a].

394

EXPLOSIVE_NAVAL_MINE

An <EXPLOSIVE_MINE> used in naval warfare.

395

IR

[FACC, Annex A: BD001]

EXPOSED_BEDROCK

A <TERRAIN_SURFACE_REGION> consisting principally of <BEDROCK> that is covered by less than 10 percent loose <MATERIAL> (for example: <SOIL>, <SAND>, clay, and/or gravel); exposed bedrock.

396

PR

[FACC, Annex A: SA030]

EXTERIOR_HALLWAY

A <HALLWAY> along the exterior of a <BUILDING>, often appearing as a long <BALCONY>.

397

EXTERIOR_WALL

A <WALL> forming an exterior section of a <STRUCTURE>.

398

EXTERIOR_WALL_OPENING

An <APERTURE> in an <EXTERIOR_WALL> that supports the passage of <MATERIAL>s or visibility into the space enclosed by the <EXTERIOR_WALL>; exterior wall opening.

1442

EXTRACTION_FACILITY

A <FACILITY> for extracting and/or exploiting natural resources; extraction facility.

399

IR

[S57A, Object: PRDINS]

EXTRACTION_MINE

An <EXCAVATION> made in the <TERRAIN> for the purpose of extracting and/or exploiting natural resources; extraction mine.

400

IR

[FACC, Annex A: AA010]

FABRICATION_BUILDING

A <BUILDING> used for the purpose of manufacturing <COMPONENT>s, which may be assembled on-site or elsewhere, to make a completed product; fabrication building.

401

IR

[FACC, Annex B, BFC:1]

FABRICATION_FACILITY

A <FACILITY> including one or more <FABRICATION_BUILDING>s.

402

IR

[FACC, Annex B, BFC:1]

FACILITY

A <REGION> that includes <MAN_MADE_OBJECT>s intended to serve a particular purpose; facility.

403

FACTORY

A <BUILDING> containing <EQUIPMENT> for use in manufacturing; factory [SOED, "factory", 3].

404

FAIRGROUND

A <TRACT> where permanent <STRUCTURE>s exist to hold outdoor fairs, circuses, and/or exhibitions; fairground.

405

PR

[FACC, Annex A: AK090]

FARM

A <SITE>, including support <STRUCTURE>s, used for agricultural or aquacultural production; farm.

406

FARM_BUILDING

A <BUILDING> located on a <FARM>.

407

IR

[FACC, Annex B, BFC:19]

FARM_STORAGE_STRUCTURE

A <STRUCTURE>, often having a <ROOF>, located on a <FARM> and used for sheltering livestock and/or storing agricultural products or <EQUIPMENT>; farm storage structure.

408

[SOED, "barn", A.2]

FENCE

A man-made <BARRIER> of relatively light construction used as an enclosure or <BOUNDARY>; fence.

409

PR

[FACC, Annex A: AL070]

FENDER_CUSHION

A protective <DEVICE> designed to cushion the impact of a <VESSEL> against a <STRUCTURE> or other <VESSEL> and to prevent damage; fender cushion.

410

PR

[FACC, Annex A: BB198]

FERN

A <PTERIDOPHYTE> of the order Filicopsida, the members of which reproduce by means of spores borne usually on the underside of the fronds, which are typically pinnately divided; fern [SOED, "fern"].

411

FERRY

A <WATER_SURFACE_VESSEL> for transporting <HUMAN>s, <GROUND_VEHICLE>s, or <CARGO> across a <WATERBODY>; ferry [SOED, "ferry", 3.a].

412

FERRY_CROSSING

A <WATERBODY_ROUTE> where a <FERRY> crosses from one <SHORE> to another; ferry crossing.

413

PR

[S57A, Object: FERYRT]

FERRY_LOCATION

A <LOCATION> where a <FERRY> takes on or discharges its load.

414

PR

[FACC, Annex A: AQ080]

FIDUCIAL_POINT

A <LOCATION> used as a basis of cadastral reference; fiducial point.

415

IR

[FACC, Annex A: ID020]

FIELD_ARTILLERY

A large-calibre firing <WEAPON>; field artillery. EXAMPLES Howitzer, cannon.

416

[SOED, "artillery", 2]

FIGHTER_WINGED_AIRCRAFT

A winged <AIRCRAFT> designed for fast maneuver aerial combat operations; fighter winged aircraft.

417

[SOED, "fighter", 2]

FIGHTING_POSITION

A configuration of <LAND> and/or <STRUCTURE>s that is intended to accommodate <MILITARY_PERSONNEL>, military <EQUIPMENT>, and/or military <GROUND_VEHICLE>s; that provides cover and concealment from direct and potentially indirect fire; and that affords effective use of <WEAPON>s; fighting position.

418

FILLED_TERRAIN

<BUILT_UP_TERRAIN> that has been brought to a required higher <<TERRAIN_ELEVATION>> or levelled through the addition of <SOIL>, <ROCK>, and/or other <MATERIAL>s; filled terrain.

419

FILTRATION_BED

A <TRACT> for the treatment of <WATER> that consists of a bed of porous <MATERIAL> that <WATER> is passed through in order to remove solids or impurities; filtration bed.

420

IR

[FACC, Annex A: BH040]

FILTRATION_BUILDING

A <BUILDING> that houses <EQUIPMENT> through which a liquid or gas is passed in order to separate the fluid from suspended particulate matter; filtration building.

421

IR

[FACC, Annex B, BFC:84]

FIORD

A long, narrow, deep <INLET> of a <WATERBODY> between <TERRAIN> with steep <<TERRAIN_SLOPE>>s; fiord [SOED, "fiord"].

422

FIREBREAK

A cleared or ploughed <TERRAIN_STRIP> that is constructed as a <BARRIER> against the spread of a forest or prairie fire; firebreak [SOED, "fire-break"].

426

FIRE_AND_POLICE_STATION

A <PUBLIC_SERVICE_STATION> that houses both a <FIRE_STATION> and a <POLICE_STATION>.

423

IR

[FACC, Annex B, BFC:723]

FIRE_ESCAPE

An exterior <STRUCTURE> or <DEVICE> erected for emergency exit in the event of fire; fire-escape [AHD, "fire escape"]. EXAMPLE An outside <STAIR> that is attached to a <BUILDING>.

424

FIRE_HYDRANT

A <PIPE> with a <VALVE> for drawing liquid <WATER> directly from a <WATER_MAIN> and with a <COMPONENT> providing an <APERTURE> to which a fire-hose can be attached; fire hydrant [SOED, "fire hydrant"].

1455

FIRE_STATION

A <PUBLIC_SERVICE_STATION> that houses both fire-fighting <EQUIPMENT> and <PERSONNEL>; fire station [MWCD, "fire station"]. A fire station is also known as a firehouse.

425

FISH

A cold-blooded aquatic <VERTEBRATE> possessing gills and fins; fish [SOED, "fish", I.1.a].

427

FISHING_BOAT

A <WATER_SURFACE_VESSEL> designed or designated to catch <FISH> for either commercial or leisure purposes; fishing boat.

433

FISHING_FACILITY

A <FACILITY> involved in fishing, the raising of <FISH>, and/or the storage or transportation of either <MATERIAL>s important to or the results of the production of <FISH>.

434

IR

[FACC, Annex A: BD079]

FISHING_HARBOUR

A <HARBOUR> that is primarily used by <FISHING_BOAT>s.

435

PR

[FACC, Annex A: BB105]

FISH_HATCHERY

An enclosed <REGION> and associated <STRUCTURE>s used for the breeding and/or rearing of <FISH>; fish hatchery.

428

IR

[FACC, Annex A: BH050]

FISH_LADDER

A series of ascending pools constructed to enable <FISH> to swim upstream over (or around) a <DAM>; fish ladder.

429

PR

[FACC, Annex A: BI060]

FISH_SCHOOL

A naturally occurring grouping of <FISH> that persists over a significant period; fish school.

430

FISH_STAKE_REGION

A <WATERBODY_REGION> of shallow <<DEPTH_OF_WATERBODY_FLOOR>> in which <POLE>s and/or <STAKE>s are placed to outline a fishing ground and/or to catch <FISH>.

431

IR

[FACC, Annex A: BB100]

FISH_TRAP

A <FENCE> or enclosure <DEVICE> set in a <WATERBODY> to catch <FISH>; fish trap.

432

IR

[FACC, Annex A: BB110]

FLAGPOLE

A <POLE> on which a flag is raised; flagpole. A flagpole is also known as a flagstaff.

436

PR

[S57A, Object: FLGSTF]

FLARE_PIPE

An open-ended <PIPE> at which waste gases are burned; flare pipe. A flare pipe is also known as a flare stack.

437

IR

[S57A, Object: FLASTK]

FLEXIBLE_RESTRAINT

A physical connection between two independent <OBJECT>s (for example: between a <VESSEL> and a mooring <BUOY> or <BOLLARD>); flexible restraint. EXAMPLES <CHAIN>, <LOAD_CABLE>.

438

IR

[FACC, Annex A: BD074]

FLIGHT_LEVEL

A <SURFACE> of constant <<ATM_PRESSURE>> that is measured in relation to the specific pressure <DATUM> 1 013,25 hectopascals and is separated from other such <SURFACE>s by specific pressure intervals; flight level.

439

PR

[IAN4, 1.1, "flight level"]

FLOATING_BREAKWATER

A <STRUCTURE> consisting of a series of square frames of timber connected by <MOORING_LINE>s attached to <ANCHOR>s or stone blocks in such a manner as to form a <BREAKWATER> that protects <VESSEL>s riding to anchor; floating breakwater.

440

PR

[S32, "floating breakwater"]

FLOATING_DOCK

A form of <DRY_DOCK> consisting of a floating <STRUCTURE> of one or more sections that can be partly submerged by controlled flooding to receive a <VESSEL> and then raised by pumping out the <WATER> so that the bottom of the <VESSEL> can be exposed; floating dock.

441

PR

[S32, "dock: floating"]

FLOOD_BARRAGE

An artificial obstruction placed in a <WATERCOURSE> to raise the level of the <WATER> or to divert it; flood barrage.

442

PR

[FACC, Annex A: BI043]

FLOOD_BASIN

The <TRACT> that actually submerged during the highest known flood in a specific <TERRAIN_SURFACE_REGION> or has the potential for being flooded; flood basin.

443

IR

[DST, "flood basin"]

FLOOR

A layer of <MATERIAL> (for example: board, brick, and/or stone) in a <ROOM> or <VEHICLE> on which <HUMAN>s and/or <ANIMAL>s tread; floor.

444

[SOED, "floor", 1.a]

FLOOR_CRAWL_SPACE

A space within a <BUILDING>, located under a <FLOOR>, usually of restricted <<HEIGHT>>, and having sufficient <<HEIGHT>> for <HUMAN>s to crawl; floor crawl space.

445

FLOOR_LEVEL

A <NON_EMPTY_SET> of <ROOM>s and landings of <STAIR>s in a <BUILDING> that are on the same or nearly the same level; floor level. A floor level is also known as a storey.

446

[SOED, "storey", 1]

FLUID_BOUNDARY_LAYER

The layer of fluid in the immediate vicinity of a <SURFACE> where frictional forces control fluid flow; fluid boundary layer.

447

IR

[SP35, "boundary layer"]

FLUME

An open, inclined <WATERCOURSE> that carries <WATER> for use in such operations as mining or logging; flume.

448

PR

[FACC, Annex A: BH060]

FOG

A suspension of very small, usually microscopic, droplets of <WATER> in the <AIR> that reduces the horizontal <<VISIBILITY_DISTANCE>> at a <PLANETARY_SURFACE>; fog.

449

IR

[WMO182, "fog"]

FOG_REGION

A <REGION> of <FOG> at or near a <PLANETARY_SURFACE>.

450

FOG_SIGNAL_DEVICE

A <DEVICE> that produces a warning signal as an <AID_TO_NAVIGATION> during periods of low visibility, especially due to <FOG>.

451

PR

[S32, "fog signal" (device)]

FOOD_OVEN

<EQUIPMENT> consisting of a chamber or enclosed compartment for heating, baking, or roasting food; food oven [AHD, "oven"]. A food oven is also known as a stove.

452

FORD

A shallow <WATERBODY_REGION> used as a <CROSSING> by <GROUND_VEHICLE>s or <ANIMAL>s; ford.

453

IR

[FACC, Annex A: BH070]

FORESHORE

A <COMPONENT> of the <SHORE> or <BEACH> that lies between the low water mark and the <COASTLINE> or <SHORELINE>; foreshore. Foreshore includes any isolated <TERRAIN_SURFACE_REGION>s which cover and uncover with the <TIDE> yet are not contiguous with the <COASTLINE> or <SHORELINE>.

454

PR

[FACC, Annex A: BA020]

FORESHORE_PRECISE

A <FORESHORE>, the low water mark of which is the <LINE> defined by mean low water springs or mean lower low water as appropriate and the <COASTLINE> or <SHORELINE> of which is defined by the normal limit of <WATER_WAVE> action above mean high water springs or mean higher high water as appropriate; foreshore precise.

455

PR

[FACC, Annex A: BA023]

FOREST

A <TREED_TRACT> containing a substantial number of closely spaced <TREE>s; forest.

456

IR

[FACC, Annex A: EC015]

[SOED, "forest", A.1]

FOREST_PRESERVE

A <FOREST> that is protected from logging and other human activities detrimental to the environment; forest preserve.

457

FORT

A permanently fortified <STRUCTURE> that may be stationed with <MILITARY_PERSONNEL> and is generally walled or heavily fenced with overwatch positions; fort.

458

IR

[FACC, Annex A: AH050]

[SOED, "fort", I.1]

FORTIFICATION

A <STRUCTURE> constructed for the military defence of a <SITE>; fortification.

459

PR

[S57A, Object: FORSTC]

FOUNTAIN

A <STRUCTURE> built for one or more jets of liquid <WATER> to spout and fall into; fountain [SOED, "fountain", 2.a].

460

IR

[FACC, Annex A: BH075]

FREEZING_DRIZZLE

<DRIZZLE> that falls in liquid form but freezes upon impact to form a coating of <ICE_GLAZE> on the <LAND> and on exposed <OBJECT>s; freezing drizzle.

461

IR

[GMET, "freezing drizzle"]

FREEZING_RAIN

<RAIN> that falls in liquid form but freezes upon impact to form a coating of <ICE_GLAZE> upon the <LAND> and on exposed <OBJECT>s; freezing rain.

462

IR

[GMET, "freezing rain"]

FRIGATE

A <WATER_SURFACE_VESSEL> that is smaller than a <CRUISER> and is designed for escort operations; frigate.

463

[SOED, "frigate", 3b]

FROZEN_PRECIPITATION-
_FIELD

A large <TRACT> that is permanently covered by <SNOW_GROUND_COVER> and/or <ICE>; frozen precipitation field. EXAMPLES <PERMANENT_SNOWFIELD>, <ICE_FIELD>.

464

PR

[FACC, Annex A: BJ100]

FUNGUS

A <LIVING_ORGANISM> of the kingdom Fungi, the members of which lack chlorophyll and grow on and obtain nutriment from organic matter; fungus [SOED, "fungus", 1.a]. EXAMPLES <MUSHROOM>, toadstool, mould, rust, yeast, fungus constituent of a <LICHEN>.

465

FURNACE

<EQUIPMENT> consisting of a combustion chamber in which items such as minerals, metals, and ores may be subjected to continuous intense heat; furnace [SOED, "furnace", A].

466

FURNITURE

Movable, functional <OBJECT>s, whether useful or ornamental, usually found in a <BUILDING>; furniture [SOED, "furniture", 6].

467

GALAXY

Any of numerous vast systems of <STAR>s, gas, and interstellar dust that exists separately in the universe and together contain nearly all of its visible matter; galaxy [SOED, "galaxy", 1b].

468

GANTRY

A frame <STRUCTURE> raised on side supports to span over or around something; gantry.

469

PR

[FACC, Annex A: AL080]

GASTROPOD

A <MOLLUSC> of the class Gastropoda, the members of which typically have a flattened ventral foot for locomotion and a univalve shell; gastropod. EXAMPLES Snail, slug, whelk, limpet.

470

[SOED, "gastropod"]

GATE

A <BARRIER> that controls passage on a <LAND_TRANSPORTATION_ROUTE>; gate.

471

IR

[FACC, Annex A: AP040]

GEODETIC_DATUM

A datum (see ISO 19111:2007, 4.9) describing the relationship of a coordinate system (see ISO 19111:2007, 4.7) to the <EARTH>; geodetic datum. A geodetic datum is also known as a horizontal datum.

472

IR

[ISO 19111:2007, 4.16]

GEOGRAPHIC_BASIN

The <TERRAIN_SURFACE_REGION> that is drained by a <RIVER> and its tributaries or that drains into a particular <LAKE> or <SEA>; geographic basin.

473

PR

[S32, "basin" (geography)]

GEOGRAPHIC_INFORMATION

A <LOCATION> or <REGION> where geographic information or statistics may apply.

474

PR

[FACC, Annex A: ZD012]

GEOLOGIC_FAULT

A fracture in the <TERRAIN> with displacement on one side of the fracture relative to the other; geologic fault.

475

PR

[FACC, Annex A: DB110]

GEOPHYSICAL_SURVEY_PATH

A path marked on the <TERRAIN> resulting from geophysical survey operations.

476

IR

[FACC, Annex A: FA090]

GEOPHYSICAL_SURVEY_POINT

A survey <LOCATION> established for the collection of geophysical data; geophysical survey point.

477

IR

[FACC, Annex A: FA090]

GEOTHERMAL_OBJECT

A localized <TERRAIN_SURFACE_OBJECT> that is controlled by or derived from the heat of the interior of a <PLANET>; geothermal object. EXAMPLE Hot <SPRING>.

478

IR

[FACC, Annex A: DB115]

GLACIER

A large mass of land-based <SNOW_GROUND_COVER> and <ICE> moving slowly down a slope or <VALLEY_REGION> from above the snowline; glacier.

479

PR

[FACC, Annex A: BJ030]

GLADE

A <TRACT> with few or no <TREE>s that is surrounded by a <TREED_TRACT>; glade.

480

[SOED, "glade", 1]

GOLF_COURSE

A <TRACT> laid out for playing the game of golf; golf course.

481

PR

[FACC, Annex A: AK100]

GOLF_DRIVING_RANGE

A <TRACT> used for practicing golf shots; golf driving range.

482

PR

[FACC, Annex A: AK101]

GORGE

A deep, narrow <TERRAIN_CHANNEL> with steep rocky sides; gorge [AHD, "gorge", 1].

483

GOVERNMENT_BUILDING

A <BUILDING> devoted to the act or process of administration of public policy in a political unit; government building.

484

IR

[FACC, Annex B, BFC:2]

GOVERNMENT_FACILITY

A <FACILITY> including one or more <GOVERNMENT_BUILDING>s; government facility.

485

GRADATION_WORKS

A <STRUCTURE> over which brine trickles and is concentrated through increased evaporation; gradation works.

486

PR

[FACC, Annex A: AA060]

GRAIN_ELEVATOR

A tall <STRUCTURE> equipped for loading, unloading, processing, and/or storing grain; grain elevator.

487

PR

[FACC, Annex A: AM030]

GRAIN_STORAGE_STRUCTURE

An enclosed <CONTAINER> used for storing grain or fodder; grain storage structure. A grain storage structure is also known as a grain bin or grain silo.

488

IR

[S57A, Object: SILBUI]

GRANDSTAND

A <STRUCTURE> for special viewing of outdoor events that has tiers of seats or standing room for spectators; grandstand.

489

IR

[FACC, Annex A: AK110]

GRASS

Any <PLANT> of the large cosmopolitan family Gramineae (including cereals, reeds, and bamboos besides the characteristic <PLANT>s of pasture-land), members of which typically have erect jointed stems (culms) bearing narrow bladelike leaves and insignificant flowers, or any of various <PLANT>s resembling the members of Gramineae in appearance; grass [SOED, "grass", 4.b].

490

IR

[FACC, Annex A: EB015]

GRASSLAND

A <TRACT> covered by <GRASS> that has little or no woody tissue; grassland.

491

PR

[FACC, Annex A: EB010]

GRAVE_MARKER

A <MARKER>, often located at a <CEMETERY>, indicating an individual gravesite; grave marker.

492

PR

[FACC, Annex A: AL090]

GREENHOUSE

A <BUILDING>, which is often constructed primarily of transparent <MATERIAL> (for example: glass or plastic), in which <<AIR_TEMPERATURE>> and <<RELATIVE_HUMIDITY>> can be controlled for the cultivation and/or protection of <PLANT>s; greenhouse [SOED, "greenhouse", a].

494

GREEN_SPACE

A maintained <TRACT> that is covered by <VEGETATION>, which may also contain pathways, intended to improve the appearance of a <BUILT_UP_REGION> but not to be a <PARK>; green space.

493

PR

[FACC, Annex A: AK122]

GROIN

A <STRUCTURE> that normally projects outward from a <SHORE> and protects a <BEACH> from erosion by disrupting the alongshore movement of <SAND> and other <SEDIMENT>s but not by preventing <WATER_WAVE>s from reaching the <SHORE>; groin.

495

PR

[FACC, Annex A: BB043]

GROUNDS

A large enclosed <TRACT> surrounding or attached to a <BUILDING>, most commonly a <HOUSE>; grounds [SOED, "ground", 13].

498

GROUND_SURFACE_ELEMENT

A <PROPERTY_SET> describing one or more characteristics of the <SURFACE> of the <SOIL> of a <TRACT>; ground surface element.

496

IR

[FACC, Annex A: DA010]

GROUND_VEHICLE

A <VEHICLE> operating principally on <LAND>; ground vehicle.

497

GUARDHOUSE

A small enclosed <BUILDING> accommodating a guard or serving as a <DETENTION_FACILITY>; guardhouse [SOED, "guardhouse"].

500

GUARDROOM

A small enclosed <ROOM> accommodating a guard or serving as a <DETENTION_FACILITY>; guardroom [SOED, "guardroom"].

501

GUARD_RAIL

A rail that acts as a safeguard to prevent <GROUND_VEHICLE>s and/or pedestrians from travelling into an unsafe <REGION>; guard rail.

1456

GUARD_TOWER

An elevated enclosed <BUILDING> including one or more <GUARDROOM>s; guard tower.

499

IR

[FACC, Annex B, BFC:137]

GUIDED_MISSILE_CRUISER

A <CRUISER> equipped with guided <MISSILE>s.

502

GUIDED_MISSILE_DESTROYER

A <DESTROYER> equipped with guided <MISSILE>s.

503

GUIDED_MISSILE_FRIGATE

A <FRIGATE> equipped with guided <MISSILE>s.

504

GULLY

A <TERRAIN_CHANNEL>, formed by erosion by running <WATER>; gully.

505

IR

[FACC, Annex A: DB200]

[SOED, "gully", n1.2]

HAIL

<SOLID_PRECIPITATION> of either transparent or partly or completely opaque <PARTICLE>s of <ICE> (hailstones), usually spherical, conical, or irregular in form and of <<OUTSIDE_DIAMETER>> generally between 5 and 50 millimetres, that falls from a <CLOUD> either separately or agglomerated into irregular lumps; hail.

506

PR

[WMO182, H0030, "hail"]

HALLWAY

An entrance-hall or passage serving as a <ROUTE> to various <ROOM>s in a <BUILDING>; hallway [SOED, "hallway"]. A hallway is also known as a corridor.

507

HARBOUR

A <WATERBODY_REGION> providing <ANCHORAGE> and protection for <VESSEL>s; harbour.

508

IR

[FACC, Annex A: BB005]

HARBOUR_COMPLEX

A <HARBOUR> including one or more <ANCHORAGE_COMPLEX>s; harbour complex.

509

IR

[FACC, Annex A: BB006]

HARDENED_AIRCRAFT_SHELTER

A reinforced <SHELTER> that is resistant to <MUNITION>s and is designed for the protection of <AIRCRAFT>; hardened aircraft shelter.

511

HARD_STANDING

An open <TRACT> with a prepared <SURFACE> of pavement or gravel used for parking and/or storing <VEHICLE>s, particularly <AIRCRAFT>; hard standing [SOED, "hard standing"].

510

HAYSTACK

A regular pile of hay built in the open air; haystack.

512

HAZARD_MARKER

A <MARKER> placed near or on a <TERRAIN_SURFACE_REGION> or <TERRAIN_SURFACE_OBJECT> to identify it as a potential hazard.

513

HEALTH_OFFICE

A <BUILDING> used in the diagnosis and care of outpatients; health office. A health office is also known as a clinic.

514

HEATING_FACILITY

A <FACILITY> for the generation of thermal energy for heating purposes.

516

PR

[FACC, Annex A: AD050]

HEAT_RADIATOR

<EQUIPMENT> consisting of a <STORAGE_TANK> and/or compact array of <PIPE>s that: has a large surface <<AREA>>; is heated, usually by circulating steam or hot <WATER>; and gives off warmth by radiation and convection; heat radiator [SOED, "radiator", 2].

515

HEAVY_INDUSTRIAL_FACILITY

A <FACILITY> devoted to the processing of <MATERIAL> and/or the manufacture of goods (for example: steel, aluminum, glass, or <MOTOR_VEHICLE>s) that generally require significant <EQUIPMENT>, <MATERIAL>, and energy inputs; heavy industrial facility.

517

HEDGEROW

A continuous growth of <SHRUB>s planted as a <FENCE>, a <BOUNDARY>, and/or a windbreak; hedgerow.

518

PR

[FACC, Annex A: EA020]

HELICOPTER

An <AIRCRAFT> deriving both lift and propulsive power from horizontally revolving rotor blades and capable of ascending and descending vertically; helicopter [SOED, "helicopter"].

519

HELICOPTER_LANDING_PAD

An improved <SITE> used for take-off and landing VTOL <AIRCRAFT> (for example: a <HELICOPTER>); helicopter landing pad.

520

PR

[FACC, Annex A: GB030]

HELIPORT

An <AERODROME> or a defined <REGION> on a <STRUCTURE> intended to be used wholly or in part for the arrival, departure, and/or surface movement of <HELICOPTER>s; heliport.

521

PR

[IAN4, 1.1, "heliport"]

HIGH_CLOUD

A <CLOUD> of the genus cirrus, cirrocumulus, or cirrostratus; high cloud. Also the top of a <CLOUD> of the genus cumulonimbus or, occasionally, altostratus.

522

PR

[WMO407, Section II.2.1.2]

[GMET, "cloud classification", 2, "high clouds"]

HIGH_PRESSURE_CENTRE

The <LOCATION> of the centre of an <ATMOSPHERE_REGION> of high <<ATM_PRESSURE>>.

523

IR

[GMET, "pressure center"]

HILL

A small, isolated, elevated <TERRAIN_SURFACE_REGION> that is smaller than a <MOUNTAIN>; hill.

524

PR

[S57A, Object: HILARE]

HINDU_TEMPLE

A <WORSHIP_PLACE> for Hindu worship; Hindu temple.

525

HISTORICAL_BUILT_UP-
_REGION

A <TRACT> containing a concentration of historical <STRUCTURE>s within an enclosing <BUILT_UP_REGION>.

526

PR

[FACC, Annex A: AL021]

HOAR_FROST

A deposit of <ICE> (hoar crystals) that generally assumes the form of scales, needles, feathers, or fans and that forms on <OBJECT>s the <SURFACE>s of which are sufficiently cooled, usually by nocturnal radiation, to bring about deposition of the water vapour contained in the ambient <AIR>; hoar frost.

527

PR

[WMO182, H0630, "hoar frost"]

HOLDING_PATTERN_REGION

A delimited <ATMOSPHERE_REGION> within which <AIRCRAFT> follow a holding pattern while awaiting further clearance instructions.

528

HOPPER

A top-loaded, funnel-shaped <STRUCTURE> for temporary holding of loose <MATERIAL> that will be dispensed from its bottom; hopper.

530

PR

[FACC, Annex A: AF080]

HOP_FIELD

A <TRACT> covered by the systematic planting of hop vines; hop field.

529

PR

[FACC, Annex A: EA055]

HORSE

A solid-hoofed perissodactyl ungulate <MAMMAL> of the family Equidae; horse [SOED, "horse", 1].

531

HOSPITAL_BUILDING

A <BUILDING> used to provide inpatient medical, surgical, or psychiatric care and treatment for the sick or the injured; hospital building.

532

HOSTEL

A <BUILDING> used to provide supervised, inexpensive lodging for travellers, especially young travellers; hostel [AHD, "hostel", 1].

533

HOTEL

A <BUILDING> used to provide lodging, and usually meals and other services, for travellers and other paying guests; hotel [AHD, "hotel"].

534

HOUSE

A <BUILDING> serving as a <DWELLING> for one or more <HUMAN>s, especially for a family; house [AHD, "house", 1.a].

535

HULK

A permanently moored <WATER_SURFACE_VESSEL>; hulk.

536

PR

[S57A, Object: HULKES]

HUMAN

A member of the <ANIMAL> species Homo sapiens; human [SOED, "human", B.1].

537

HUMMOCK

A small, more or less rounded, protruberance rising above the level of the surrounding <TERRAIN>; hummock [SOED, "hummock", 1 and 2]. EXAMPLES A coastal sand-hill, a mound or <RIDGE> in an <ICE_FIELD>, a <TRACT> of higher <<TERRAIN_ELEVATION>> than the <WETLAND> that surrounds it.

538

IR

[FACC, Annex A: BH077]

HURRICANE

A warm core <TROPICAL_CYCLONE> with a maximum surface <<WIND_SPEED>> of 33 metres per second or greater in the North Atlantic, the Caribbean, the Gulf of Mexico, and in the eastern North Pacific; hurricane.

539

PR

[WMO182, H0860, "hurricane"]

HUT

A small, simple, or crude <HOUSE> or <SHELTER>; hut.

540

PR

[FACC, Annex A: AL100]

HYDROFOIL_VESSEL

A <WATER_SURFACE_VESSEL> supported on airfoil-like pontoons where the bulk of the hull remains above the <WATERBODY_SURFACE> while in motion; hydrofoil vessel.

541

[SOED, "hydrofoil", 2]

HYDROGRAPHIC_LOCK

A <LOCK_BASIN> with a pair or series of <LOCK_GATE>s used for raising or lowering <VESSEL>s as they pass from one level to another; hydrographic lock.

542

IR

[FACC, Annex A: BI030]

HYDROGRAPHIC_SURVEY-
_CONTACT

An <UNDERWATER_OBJECT> detected during a hydrographic survey; hydrographic survey contact.

543

HYDROGRAPHY

A <WATERBODY> and its adjoining <SHORE>s; hydrography.

544

[SOED, "hydrography", 2]

HYDROLOGIC_OBJECT

A planetary <OBJECT> related to <WATER>; hydrologic object.

545

[SOED, "hydrology", 2]

ICE

Frozen <WATER>; ice [SOED, "ice", 1.a].

546

ICEBERG

A very large mass of <ICE> floating loose in a <WATERBODY> after becoming detached from a <GLACIER> or <ICE_SHELF>; iceberg [SOED, "iceberg", 2].

556

ICE_BOOM

A floating <BARRIER> constrained by <ANCHOR>s and used to deflect the path of floating <ICE> in order to prevent the obstruction of <HYDROGRAPHIC_LOCK>s or <WATER_INTAKE>s or to prevent damage to <BRIDGE_PIER>s or other <STRUCTURE>s; ice boom.

547

PR

[FACC, Annex A: BB202]

ICE_CLIFF

A perpendicular or steep face of a <GLACIER> or <ICE_SHELF> of considerable <<HEIGHT>>; ice cliff.

548

IR

[FACC, Annex A: BJ040]

ICE_FIELD

A <FROZEN_PRECIPITATION_FIELD> that consists of <ICE>; ice-field.

549

ICE_GLAZE

A coating of <ICE>, generally clear and smooth, formed on exposed <OBJECT>s by the freezing of a film of supercooled <WATER> deposited by <RAIN>, <DRIZZLE>, or <FOG> or possibly condensed from supercooled water vapour; ice glaze. <ICE_GLAZE> is denser, harder, and more transparent than either <RIME> or <HOAR_FROST>.

550

IR

[GMET, "glaze"]

ICE_KEEL

An irregular, linear, downward extension of <ICE> formed where two moving masses of <ICE> collide on a <WATERBODY>; ice keel.

551

IR

[SP35, "ice keel"]

ICE_PEAK

A rocky peak that may be perpetually covered with <ICE> and that projects above a surrounding <ICE_FIELD>; ice peak. An ice peak is also known as a nunatak.

552

PR

[FACC, Annex A: BJ060]

ICE_PELLETS

<SOLID_PRECIPITATION> of transparent or translucent <PARTICLE>s of <ICE> that are spherical or irregular, rarely conical, and that have an <<OUTSIDE_DIAMETER>> of 5 millimetres or less; ice pellets. <SMALL_HAIL> is a form of ice pellets.

553

PR

[WMO182, I0150, "ice pellets"]

ICE_SHELF

A thick sheet of <ICE> usually of great extent, mostly afloat on a <WATERBODY_SURFACE>, with a level or undulating <SURFACE> and attached to <LAND>; ice shelf. The seaward edge is termed an <ICE_CLIFF> (ice front).

554

PR

[FACC, Annex A: BJ065]

ICE_SLUDGE

Spongy whitish lumps of <ICE> a few centimetres in <<OUTSIDE_DIAMETER>> that are floating on the <WATERBODY_SURFACE> of a shallow <SEA>; ice sludge.

555

IR

[SP35, "sludge"]

IFR_REGION

A <REGION> in which IFR should be observed.

557

IR

[AIM]

ILS_COMPONENT

An air navigation <COMPONENT> that is essential to the establishment and execution of a precision approach based on an ILS.

558

PR

[FACC, Annex A: GA048]

ILS_TERMINAL_COMPONENT

An <ATS_ROUTE_COMPONENT> designated for channelling the flow of air traffic via ILS terminal procedures.

559

PR

[FACC, Annex A: GA049]

INCINERATOR

A permanent <STRUCTURE> used for the disposal of waste products by burning; incinerator.

560

PR

[FACC, Annex A: AB020]

INDIGENOUS_BURIAL_GROUND

A <CEMETERY> for native peoples, generally without <MEMORIAL_MONUMENT>s; indigenous burial ground.

561

[SOED, "burial ground"]

INDIGENOUS_PEOPLES_RESERVE

A <TRACT>and associated <STRUCTURE>s set apart specifically for the use of a native people; indigenous peoples reserve.

562

INDIVIDUAL_FIGHTING-
_POSITION

A <FIGHTING_POSITION> designed to accommodate an individual soldier and that soldier's <EQUIPMENT>.

563

INDUSTRIAL_BUILDING

A <BUILDING> used for the manufacture of goods or the processing of <MATERIAL>s; industrial building.

564

INDUSTRIAL_OVEN

An industrial <STRUCTURE> used for hardening, burning, or heating <MATERIAL>s (for example: grain, meal, clay, or wood); industrial oven.

565

INDUSTRIAL_WORKS

The <STRUCTURE>s, <GROUNDS>, and <EQUIPMENT> of a manufacturing <FACILITY>; industrial works.

566

PR

[FACC, Annex A: AC050]

INFANTRY_TRENCH

A <MILITARY_TRENCH>, typically integrated into a complex <SYSTEM> of <TERRAIN_OBSTACLE>s, that is used to provide cover, concealment, protected <FIGHTING_POSITION>s, and communications capability for infantry.

567

INFRARED_MATERIAL_PROPERTY-
_SET

A <PROPERTY_SET> describing the infrared properties of the <MATERIAL>s composing an <OBJECT>.

568

INLAND_SHORELINE

The <SHORELINE> of an inland <WATERBODY>.

569

IR

[FACC, Annex A: BH210]

INLAND_WATER

A <WATERBODY> that either does not experience or only minimally experiences tidal fluctuations; inland water.

570

IR

[FACC, Annex A: BH000]

INLAND_WATER_BOTTOM

A bathymetric <REGION> underlying an <INLAND_WATER_SURFACE>; inland water bottom.

571

INLAND_WATER_ELEVATION

A <SPOT_ELEVATION> associated with an <INLAND_WATER_SURFACE>.

572

PR

[FACC, Annex A: CA035]

INLAND_WATER_SURFACE

The <WATERBODY_SURFACE> of an <INLAND_WATER>.

573

INLET

A short, narrow <WATERCOURSE> connecting a <MARINE_BAY> or <LAGOON> with a <SEA>; inlet.

574

IR

[SP35, "inlet"]

INSECT

An <ARTHROPOD> of the superclass Hexapoda, characterized by having six feet; insect [SOED, "hexopod"].

576

INSTITUTIONAL_FACILITY

A <FACILITY> housing an established organization or foundation, especially one dedicated to education, public service, or culture, that provides for the care of <HUMAN>s who are destitute, disabled, or mentally ill; institutional facility.

577

INS_ALIGNMENT_PAD

A designated <LOCATION> where the automated INS instruments of <AIRCRAFT> are reset before taking-off; INS alignment pad.

575

PR

[FACC, Annex A: GB170]

INTEREST_SITE

A <REGION> maintained for the public and declared to be of national or provincial historical significance or interest; interest site.

578

PR

[FACC, Annex A: AL201]

INTERIOR_WALL

A <WALL> in a <BUILDING> separating two <ROOM>s from each other; interior wall.

579

INTERIOR_WALL_OPENING

An opening (for example: an uncovered <APERTURE> in an <INTERIOR_WALL> and/or the space above a <WALL> of partial <<HEIGHT>>) that supports the passage of <MATERIAL>s or visibility into an adjoining <ROOM>.

580

INTERNATIONAL_DATE_LINE

A <LINE> designated as the place on the <EARTH> where each calendar day begins; International Date Line. This <LINE> generally coincides with the 180^th meridian but is modified to avoid <LAND>.

581

PR

[FACC, Annex A: FA110]

INTERPLANETARY_MAGNETIC-
_FIELD

The <MAGNETIC_FIELD> in a <STAR_SYSTEM> carried with its <STELLAR_WIND>; interplanetary magnetic field.

582

IR

[TASC]

INUNDATED_LAND

<LAND> subject to controlled inundation (for example: flooded by the regulation of the level of a <RESERVOIR>) that is normally associated with permanently flooded ground in which <TREE>s are still standing; inundated land.

583

PR

[FACC, Annex A: BH091]

INVERTEBRATE

An <ANIMAL> without a backbone or spinal column that does not belong to the subphylum Vertebrata; invertebrate [SOED, "invertebrate"].

584

IONOSPHERE

The <ATMOSPHERE_REGION> of the <EARTH> characterized by ions and free electrons existing in sufficient quantities to reflect electromagnetic waves and located roughly between the <<ALTITUDE_MSL>>s of 70 to 500 kilometres; ionosphere.

585

PR

[WMO182, I0900, "ionosphere"]

IONOSPHERE_ELECTRON-
_DENSITY_PROPERTY_SET

A <PROPERTY_SET> describing the electron-density related characteristics of an <IONOSPHERE>.

586

IONOSPHERE_SCINTILLATION-
_PROPERTY_SET

A <PROPERTY_SET> describing the distortion of the propagation of electromagnetic radiation through an <IONOSPHERE> due to medium density irregularities; ionosphere scintillation property set.

587

IONOSPHERIC_D_REGION

The lowest daytime <REGION> of the <IONOSPHERE> characterized by weak concentrations of ions and located roughly between the <<ALTITUDE_MSL>>s of 50 and 90 kilometres; ionospheric D-region. An ionospheric D-region is also known as an ionospheric D-layer.

588

IR

[TASC]

IONOSPHERIC_E_REGION

A daytime <REGION> of the <IONOSPHERE> characterized by concentrations of O₂⁺ and NO⁺ ions and located roughly between the <<ALTITUDE_MSL>> s of 85 and 140 kilometres; ionospheric E-region. An ionospheric E-region is also known as an ionospheric E-layer.

589

IR

[TASC]

IONOSPHERIC_F1_REGION

A daytime <REGION> of the <IONOSPHERE>, above the <IONOSPHERIC_E_REGION>, characterized by weak concentrations of O₂⁺ ions and located roughly between the <<ALTITUDE_MSL>>s of 120 and 200 kilometres; ionospheric F1-region. An ionospheric F1-region is also known as an ionospheric F1-layer.

590

IR

[TASC]

IONOSPHERIC_F2_REGION

A daytime <REGION> of the <IONOSPHERE>, above the <IONOSPHERIC_E_REGION>, characterized by weak concentrations of O₂⁺ ions and located roughly between the <<ALTITUDE_MSL>>s of 200 and 1 500 kilometres; ionospheric F2-region. An ionospheric F2-region is also known as an ionospheric F2-layer.

591

IR

[TASC]

IRRIGATION_DITCH

A <TRENCH> that is constructed for the purpose of irrigation or drainage; irrigation ditch.

592

PR

[FACC, Annex A: BH030]

ISLAND

A <TRACT> smaller (usually much smaller) than a continent and surrounded by a <WATERBODY>; island.

593

PR

[FACC, Annex A: BA030]

ISOGONIC_LINE

An <ISOPLETH> that connects <LOCATION>s of equal magnetic variation; isogonic line.

594

PR

[FACC, Annex A: ZC050]

ISOPLETH

A <LINE> defined by <LOCATION>s for which some chosen quantity has the same value; isopleth [SOED, "isopleth", 1].

595

ISTHMUS

A <TERRAIN_STRIP> that is bordered on both sides by <WATERBODY>s and that connects two larger bodies of <LAND>; isthmus.

596

IR

[SP35, "isthmus"]

JAIL
F

A local <DETENTION_FACILITY> where the criminally accused are initially taken to be processed and await trial and where short (usually less than one year) sentences for criminal misconduct can be served; jail.

597

[SOED, "jail", A1]

JETTY
F

A man-made <BARRIER> built out into or in a <WATERBODY>, primarily to restrain or direct <WATER_CURRENT>s and <WATER_WAVE>s; jetty.

598

PR

[FACC, Annex A: BB140]

JUNGLE

A <TRACT>, especially tropical, overgrown with luxuriant and often almost impenetrable <VEGETATION>; jungle [SOED, "jungle", 1].

599

JUPITER
F

The primary <PLANET> of the <SUN> that is fifth in distance from the <SUN>, with an orbital mean <<RADIUS>> of approximately 778,30 million kilometres; Jupiter.

600

IR

KELP_BED

A <WATERBODY_FLOOR_REGION> covered with a significant concentration of kelp; kelp bed.

601

KENNEL

A <SHELTER> used for the breeding, training, or boarding of dogs; kennel [AHD, "kennel", 3].

602

KILN

An oven for hardening, burning, or drying <MATERIAL>s (for example: grain, meal, and/or clay), especially a brick-lined oven used to bake or fire ceramics; kiln [AHD, "kiln"].

603

KUIPER_BELT

The <REGION> of the <SOLAR_SYSTEM> beyond the orbit of <NEPTUNE> where a large number of <COMET>s with short orbital periods originate; Kuiper belt.

604

IR

[BSFG, "Kuiper belt"]

LAGOON

An enclosed <REGION> of salt or brackish <WATER> separated from a larger <WATERBODY> by some more or less effective, but not complete, <BARRIER> (for example: a low bank of <SAND>); lagoon.

605

PR

[S32, "lagoon"]

LAKE

<INLAND_WATER> without significant flow that is surrounded by <LAND>; lake.

606

IR

[S32, "lake"]

LAKE_NEXUS

A representation of a <LAKE> as it connects to related <RIVER_NEXUS>s; lake nexus.

607

LAND

<TERRAIN> that is not permanently covered by <WATER>; land.

608

IR

[FACC, Annex A: DA030]

LANDFILL

A <TRACT> used for solid waste disposal by burying refuse between layers of <SOIL> to fill in or reclaim low-lying <LAND>; landfill [SOED, "landfill", b].

615

LANDING_CRAFT

A small <WATER_SURFACE_VESSEL> designed to convey <PERSONNEL> and <EQUIPMENT> from larger <WATER_SURFACE_VESSEL>s to <SHORE> during landing operations; landing-craft [SOED, "landing-craft"].

616

LANDSLIDE

A mass of <MATERIAL> (for example: <SOIL>, <ROCK>, and/or <VEGETATION>) that has slipped down from a <CLIFF> or <MOUNTAIN>; landslide.

617

PR

[FACC, Annex A: DB211]

LAND_EASEMENT

A deeded <PARCEL> granting easement for a specific purpose (for example: overhead <POWER_TRANSMISSION_LINE>s and/or access to a <PARKING_GARAGE>); land easement.

609

LAND_FISH_HATCHERY

A <FISH_HATCHERY> located entirely on <LAND>.

610

LAND_FLOODING_PERIODICALLY

A <TERRAIN_SURFACE_REGION> periodically covered by floodwater, excluding tidal <WATER>s; land flooding periodically.

611

PR

[FACC, Annex A: BH090]

LAND_MINEFIELD

A <MINEFIELD> on <LAND>.

612

LAND_TRANSPORTATION-
_ROUTE

A <TRANSPORTATION_ROUTE> located principally on <LAND>.

613

LAND_WATER_BOUNDARY

A <BOUNDARY> where <LAND> is in contact with a <WATERBODY>.

614

PR

[FACC, Annex A: BA010]

LATERAL_BUOYAGE_INDICATION

A <LOCATION> in a <WATERBODY> where a <DIRECTION> away from seaward is specified that indicates how a lateral buoyage <SYSTEM> should be interpreted.

618

PR

[FACC, Annex A: BC102]

LAUNCH_PAD

A designated <SITE> or <STRUCTURE> from which a rocket or <MISSILE> is launched; launch pad.

619

PR

[FACC, Annex A: GB040]

LEDGE

A narrow, flat <SURFACE> or shelf, especially one that projects (for example: from a <CLIFF>); ledge.

620

PR

[FACC, Annex A: BD119]

LEGATION_BUILDING

A <BUILDING> in a foreign country that houses a diplomatic mission that ranks below an embassy; legation building.

621

LEVEE

An <EMBANKMENT> to prevent the overflow of a <RIVER>; levee [SOED, "levee", 2.a.1].

622

LEVEL_CROSSING

A <CROSSING> between a <RAILWAY>and either a <ROAD> or another <RAILWAY> on the same vertical level; level crossing. A level crossing is also known as an on-grade crossing.

623

IR

[FACC, Annex A: AQ062]

LIBRARY

A <BUILDING> in which literary and artistic materials (for example: books, periodicals, newspapers, pamphlets, prints, records, and/or tapes) are kept for reading, reference, and/or lending; library [AHD, "library", 1.a].

624

LICHEN

A composite <LIVING_ORGANISM> formed by the association of <ALGA> with <FUNGUS> and occurring as encrusting or branching friable growths on <SURFACE>s, to which they give a green, grey, or yellow colour; lichen [SOED, "lichen"].

625

LIFT

<EQUIPMENT> consisting of a platform, which is often enclosed, that is raised and lowered in a vertical shaft to transport <HUMAN>s, <EQUIPMENT>, or <MATERIAL>s; lift [AHD, "elevator", 1.a]. In the US, a lift is also known as an elevator.

626

LIFT_SHAFT

A vertical passageway in a <BUILDING> used for a <LIFT>; lift shaft.

627

LIGHT

An <OBJECT> that is a source of illumination visible to the eye of <HUMAN>s; light [SOED, "light", 4].

628

IR

[FACC, Annex A: BC040]

LIGHTHOUSE

A distinctive <STRUCTURE> exhibiting one or more <LIGHT>s designed to serve as an <AID_TO_NAVIGATION>; lighthouse.

632

PR

[FACC, Annex A: BC050]

LIGHTING

A <NON_EMPTY_SET> of <LIGHT>s providing illumination for a <REGION> or <OBJECT>; lighting.

633

IR

[FACC, Annex A: BC035]

[SOED, "lighting", 1]

LIGHTNING

A luminous manifestation accompanying a sudden electrical discharge that takes place from or inside <CLOUD>s or, less often, from tall <OBJECT>s on the <PLANETARY_SURFACE> and/or from <MOUNTAIN>s to <CLOUD>s; lightning.

634

PR

[WMO182, L0530, "lightning"]

LIGHTSHIP

A distinctively marked, manned <WATER_SURFACE_VESSEL> anchored or moored at a defined <LOCATION> to serve as a <MARINE_AID_TO_NAVIGATION>; lightship.

635

PR

[S57A, Object: LITVES]

LIGHT_INDUSTRIAL_FACILITY

A <FACILITY> devoted to the manufacture of goods (for example: electronic <DEVICE>s and/or computer software) that generally require only limited <MATERIAL> and energy inputs; light industrial facility.

629

LIGHT_SUPPORT_STRUCTURE

A <STRUCTURE> serving as a support for one or more <LIGHT>s.

630

IR

[FACC, Annex A: AL110]

LIGHT_WINGED_AIRCRAFT

A winged <AIRCRAFT> with a maximum capacity of 10 persons; light winged aircraft.

631

LINE

A curve connecting a <SET> of two or more <LOCATION>s; line [SOED, "line", n2.III.14.b].

636

LIQUID_DIFFUSER

<EQUIPMENT> located at or below water level where liquids (for example: cooling <WATER>) are spread out; liquid diffuser.

637

PR

[S57A, Object: DIFFUS]

LIVESTOCK_PEN

An enclosed <TERRAIN_SURFACE_REGION> in which livestock are temporarily kept; livestock pen. A livestock pen is also known as a feedlot or stockyard.

638

PR

[FACC, Annex A: AJ030]

LIVING_ORGANISM

A living thing; living organism [SOED, "life-form"]. A living organism is also known as a life-form.

639

LOAD_CABLE

A strong thick rope of hemp or <WIRE>; load cable [SOED, "cable", 1].

640

[APDS, "cable (Mechanical Devices)"]

LOCALIZED_ATM_SUSPENSION

A localized <CLOUD> or <NON_AQUEOUS_CLOUD>; localized atmospheric suspension.

642

LOCAL_PARK

A <TRACT> that is maintained for recreational and ornamental purposes and set aside for public use, generally with few or no <BUILDING>s and located within a <BUILT_UP_REGION>; local park.

641

IR

[FACC, Annex A: AK120]

LOCATION

A spatial location.

643

LOCATION_PROPERTY_SET

A <PROPERTY_SET> describing the properties of a <LOCATION>.

644

LOCK_BASIN

The portion of a <HYDROGRAPHIC_LOCK> bounded by <LOCK_GATE>s at each end; lock basin.

645

IR

[FACC, Annex A: BI031]

LOCK_GATE

A pair of massive, hinged <DOOR>s at the end of a <LOCK_BASIN>; lock gate.

646

IR

[S32, "lock gate(s)"]

LOCOMOTIVE_ENGINE

A self-propelled <GROUND_VEHICLE> designed to move <RAIL_WAGON>s on a <RAILWAY_TRACK>; locomotive engine [MWCD, "locomotive", 1].

647

LOG

An unhewn portion of a felled <TREE>; log [SOED, "log", 1.a].

648

LOGGING_SITE

A <TRACT> of <VEGETATION> that is being exploited for lumber resources; logging site.

653

PR

[FACC, Annex A: EE010]

LOG_BOOM

A <WATERBODY_BOOM> designed to keep <LOG>s ready for a <SAWMILL> from floating away; log boom.

649

IR

[FACC, Annex A: BD071]

[SOED, "boom", n2, 3b]

LOG_CRIB

A <LOG_OBSTACLE> that is formed in a cribwork and filled with <SOIL> and <STONE>s.

650

IR

[F7-7]

LOG_OBSTACLE

A <TERRAIN_OBSTACLE> constructed primarily of <LOG>s.

651

LOG_RAMP

A <RAMP> used to dump <LOG>s into a <WATERBODY> for transport or to haul <LOG>s out of the <WATERBODY> for processing; log ramp.

652

PR

[FACC, Annex A: BB221]

LOW_CLOUD

A <CLOUD> of the genus stratocumulus or stratus; low cloud. Also the base of a <CLOUD> of the genus cumulus; cumulonimbus; or, occasionally, nimbostratus.

654

PR

[WMO407, Section II.2.1.2]

[GMET, "cloud classification", 2, "low clouds"]

LOW_CLOUD_CEILING_REGION

An <ATMOSPHERE_REGION> in which the <<ATM_CEILING>> due to <CLOUD>s is less than 152,4 metres (500 feet) above the <PLANETARY_SURFACE>; low cloud ceiling region.

655

IR

[AIM, 7-1-7, a, 1]

LOW_PRESSURE_CENTRE

The <LOCATION> of the centre of an <ATMOSPHERE_REGION> of low <<ATM_PRESSURE>>.

656

IR

[GMET, "pressure center"]

LOW_VISIBILITY_REGION

An <ATMOSPHERE_REGION> of reduced <<VISIBILITY_DISTANCE>> near a <PLANETARY_SURFACE>; low visibility region.

657

IR

[AIM, 7-1-7, a, 1]

LOW_WATER_LINE

The intersection of the plane of low water with the <SHORE>; the <LINE> along a <COAST> or <BEACH> to which the <SEA> recedes at low water; low water line. A low water line is also known as a drying line.

658

PR

[S32, "low water line"]

MAGNETIC_DATA_DEVICE

A <DEVICE> used for the collection of <MAGNETIC_FIELD> data.

659

IR

[FACC, Annex A: BK020]

MAGNETIC_DISTURBANCE

A localized anomaly in the <MAGNETIC_FIELD> of a <PLANET>; magnetic disturbance.

660

IR

[FACC, Annex A: ZC040]

MAGNETIC_FIELD

A <REGION> where a field of force produced by a magnetic <OBJECT> or by a changing <ELECTRICAL_FIELD> is found; magnetic field [SOED, "magnetic field"].

661

MAGNETIC_FIELD_PROPERTY-
_SET

A <PROPERTY_SET> describing the properties of a <MAGNETIC_FIELD>.

662

MAGNETIC_FIELD_SURFACE-
_PROPERTY_SET

A <PROPERTY_SET> describing the properties of a <MAGNETIC_FIELD> near a <PLANETARY_SURFACE>.

663

MAGNETIC_STATION

A <MAGNETIC_DATA_DEVICE> and support <STRUCTURE>s; magnetic station.

664

PR

[FACC, Annex A: BK020]

MAGNETOPAUSE

The sharp <BOUNDARY> between a <MAGNETOSPHERE> and the <STELLAR_WIND>; magnetopause.

665

IR

[GMET, "magnetopause"]

MAGNETOSPHERE

The <REGION> of rarefied ionized gases in the <ATMOSPHERE> of a <PLANET> in which the dynamical motions are strongly influenced or even dominated by the <MAGNETIC_FIELD> of that <PLANET>; magnetosphere.

666

IR

[GMET, "magnetosphere"]

MAGNETOSPHERE_PLASMA

A flux of charged <PARTICLE>s within the <MAGNETOSPHERE>; magnetosphere plasma.

667

MAILBOX

A <CONTAINER> for delivery and/or collection of mail; mailbox.

1457

MAIN_TELECOM_EXCHANGE

A <BUILDING> housing a central <SYSTEM> of switches and other <EQUIPMENT> that establishes connections between individual telecommunication <DEVICE>s (for example: a telephone); main telecom exchange.

668

MAMMAL

A furred, warm-blooded <VERTEBRATE> of the class Mammalia, the members of which are characterized by the possession of mammary glands in the female and a four-chambered heart; mammal [SOED, "mammal"]. EXAMPLES <HUMAN>, <RODENT>, <BAT>, <WHALE>, ungulate, <CARNIVORE>.

669

MANHOLE

An <APERTURE> in a utility service <OBJECT> (for example: an item of <EQUIPMENT>, a <FLOOR>, a <ROAD>, the <LAND>, a <SEWER> and/or other conduit) through which <PERSONNEL> may pass to gain access to certain <COMPONENT>s; manhole [SOED, "manhole"].

673

MANHOLE_COVER

A cover, which is often made of cast iron, that is designed both for complete removal and to cover a <MANHOLE>.

674

MANHOLE_RISER

A <STRUCTURE> that elevates a <MANHOLE> above the surrounding <SURFACE>; manhole riser.

675

MANUFACTURING_FACILITY

A <FACILITY> including one or more <FACTORY>s; manufacturing facility.

676

MAN_MADE_AIR_OBSTRUCTION

A man-made <STRUCTURE> of sufficient <<HEIGHT_AGL>> to impede or obstruct flight operations and cause a hazard to air navigation; man-made air obstruction.

670

IR

[FACC, Annex A: GB221]

MAN_MADE_CLEARING

A cleared or ploughed <TERRAIN_STRIP> designed to: provide access for a <LAND_TRANSPORTATION_ROUTE>, <PIPELINE>, or <POWER_TRANSMISSION_LINE>; demarcate a <BOUNDARY>; obtain survey line-of-sight; or provide a <FIREBREAK>; man-made clearing.

671

PR

[FACC, Annex A: EC040]

MAN_MADE_OBJECT

An <OBJECT> made by <HUMAN>s; man-made object.

672

MAP

A graphic representation of natural and artificial <OBJECT>s within a <REGION>; map.

677

[SOED, "map", 1]

MAP_BOUNDARY

A <BOUNDARY> that encloses all <OBJECT>s depicted on a <MAP>; map boundary.

678

IR

[FACC, Annex A: IA010]

MAP_EDGE_FRAME

A graphic representation of the edge of a <MAP>; map edge frame.

679

IR

[FACC, Annex A: IE010]

MAP_LEGEND

A <NON_EMPTY_SET> of auxiliary information about a <MAP>; map legend.

680

IR

[FACC, Annex A: IE040]

MAP_LIMITS

The spatial extent of the <REGION> represented by a <MAP>; map limits.

681

MARABOUT

A <SHRINE> marking the burial place of an Islamic holy man; marabout [SOED, "marabout", 2].

682

MARINE_AID_TO_NAVIGATION

An <AID_TO_NAVIGATION> (for example: a <BEACON> and/or a <BUOY>) intended to support marine operations.

683

IR

[S32, "aid to navigation"]

MARINE_BAY

A <WATERBODY> partially enclosed by <LAND> but with a wide mouth that affords access to an <OCEAN>; marine bay [AHD, "bay", n1.1].

684

[SOED, "bay", n3.1]

MARINE_CLEARING_LINE

A straight <LINE> that separates a safe <WATERBODY_REGION> from a dangerous <REGION> or that passes clear of a marine navigational danger; marine clearing line.

686

PR

[S32, "clearing line"]

MARINE_FOUL_GROUND

A comparatively shallow <WATERBODY_REGION> strewn with <MARINE_OBSTRUCTION>s (for example: <BOULDER>s, <CORAL>, and/or <MARINE_WRECK>s), making it unsuitable for anchoring, grounding, and/or fishing; marine foul ground.

687

PR

[FACC, Annex A: BD050]

MARINE_GRIDIRON

A flat frame <STRUCTURE>, usually of parallel timber baulks, erected on the <FORESHORE> so that a <VESSEL> may dry out on it for painting or repair at low water; marine gridiron.

689

PR

[FACC, Annex A: BB115]

MARINE_GULF

A large <WATERBODY_REGION> partially enclosed by <LAND>, especially a long land-locked portion of a <WATERBODY> opening through a <MARINE_STRAIT>; marine gulf.

690

[SOED, "gulf", A.I.1]

MARINE_LEADING_LIGHTS-
_LINE
F

Two or more <LIGHT>s associated so as to form a <MARINE_LEADING_LINE> to be followed [S32, "light(s): leading"].

691

IR

[FACC, Annex A: BC030]

MARINE_LEADING_LINE
F

An imaginary <LINE> connecting two or more clearly defined charted <OBJECT>s, along which a <VESSEL> can approach safely; marine leading line [S32, "leading line (British terminology)"].

692

IR

[FACC, Annex A: BC100]

MARINE_LIGHT_LINE

A <NON_EMPTY_SET> of marine <LIGHT>s marking limits, the alignment of a <ELECTRICAL_CABLE>, or alignments for anchoring or serving a similar purpose but not marking <DIRECTION>; marine light line.

693

IR

[FACC, Annex A: BC035]

MARINE_LIGHT_SECTOR

A sector defined by bearings from seaward within which a <LIGHT> shows a specified character or colour or is obscured so that it may serve as a <MARINE_AID_TO_NAVIGATION>; marine light sector.

694

PR

[FACC, Annex A: BC060]

MARINE_LIMIT_BOUNDARY

A <BOUNDARY> separating two <MARINE_REGION>s; marine limit boundary.

695

IR

[FACC, Annex A: FC021]

MARINE_LOCK

A <HYDROGRAPHIC_LOCK> in a <WATERCOURSE>, permitting a <VESSEL> to pass from one level to another; marine lock.

696

PR

[S32, "lock"]

MARINE_MEASURED_DISTANCE-
_LINE

A course, the <<LENGTH>> of which has been accurately measured, that is used in conjunction with ranges ashore by <VESSEL>s to calibrate logs, engine revolution counters, and other onboard <EQUIPMENT> and to determine <<SPEED>>; marine measured distance line.

697

PR

[FACC, Annex A: FC100]

MARINE_MINEFIELD

A marine <MINEFIELD>.

698

MARINE_MOLE

A substantial masonry <STRUCTURE> that often serves as a <BREAKWATER> on its outer side while it offers <FACILITY>s where <VESSEL>s are loaded and discharged on its inner side; marine mole.

699

PR

[FACC, Annex A: BB042]

MARINE_NAVIGATION_MARKER

A coloured (usually white) mark on a vertical <SURFACE> (for example: a <CLIFF>, a <ROCKY_OUTCROP>, and/or a <WALL>) that is a conspicuous landmark for marine navigation; marine navigation marker.

700

PR

[FACC, Annex A: BC055]

MARINE_OBJECT

An <OBJECT> relating to or characteristic of <VESSEL>s, shipping, sailors, or navigation on a <WATERBODY>; marine object [SOED, "marine", B.2].

701

IR

[DFAD, 750, "Maritime Features (General)"]

MARINE_OBSTRUCTION

A material <OBJECT> posing a danger to marine navigation, the exact nature of which is not specified or has not been determined; marine obstruction.

702

IR

[S57A, Object: OBSTRN]

MARINE_PETROLEUM_FIELD

A <MARINE_REGION> where <PETROLEUM> is pumped or otherwise removed from the ground; marine petroleum field.

703

MARINE_PLATFORM

A flat <SURFACE> raised above a <WATERBODY> that serves as a working stage for conducting offshore operations; marine platform.

704

PR

[FACC, Annex A: BD110]

MARINE_POLICE_STATION

A <POLICE_STATION> that serves a <HARBOUR> or coastal <REGION>; marine police station.

705

IR

[FACC, Annex B, BFC:78]

MARINE_PORT

A marine <FACILITY>, usually located in a <HARBOUR>, that provides terminal and transfer facilities for loading and discharging <CARGO> and/or passengers; marine port.

706

PR

[S32, "port"]

MARINE_RAMP

A partially submerged <TERRAIN_SURFACE_REGION> with a hard <SURFACE> on a <SHORE> for launching and retrieving <VESSEL>s; marine ramp.

707

PR

[FACC, Annex A: BB220]

MARINE_REGION

A marine <REGION> in which certain activities or factors of significance to navigation and/or operation apply.

708

PR

[FACC, Annex A: FC031]

MARINE_SIGNAL_STATION

A station on <SHORE> from which signals are made to <VESSEL>s; marine signal station.

711

PR

[S57A, Object: SISTAT]

MARINE_SOUND

A long, relatively wide <WATERBODY> that is larger than a <MARINE_STRAIT> or a <WATER_CHANNEL> and that connects larger <WATERBODY>s (for example: <SEA>s and/or <OCEAN>s); marine sound [AHD, "sound", 3.1.a].

712

MARINE_STRAIT

A narrow <WATER_CHANNEL> joining two <WATERBODY>s; marine strait.

713

PR

[S32, "strait (also straits)"]

MARINE_WRECK

The ruined remains of a stranded or sunken <VESSEL> that has been rendered useless; marine wreck.

714

IR

[S32, "wreck"]

MARKER

An <OBJECT> marking a <LOCATION> of special interest; marker [SOED, "marker", 3.b]. EXAMPLES <BOUNDARY_MONUMENT>, <MEMORIAL_MONUMENT>.

715

IR

[FACC, Annex A: BC055]

MARKET

An open space or <STRUCTURE> where goods are offered for sale; market [SOED, "market", 2].

716

MARKET_PLACE

A <MARKET> where goods are offered for sale by several vendors; market-place [SOED, "market-place", a].

717

MARS

The primary <PLANET> of the <SUN> that is fourth in distance from the <SUN> with an orbital mean <<RADIUS>> of approximately 227,94 million kilometres; Mars.

718

IR

MARSH

A soft, wet, low-lying <WETLAND> that is characterized by grassy <VEGETATION> and that often forms a transition <REGION> between a <WATERBODY> and <LAND>; marsh [AHD, "marsh"].

719

IR

[FACC, Annex A: BH095]

MARTELLO_TOWER

A stone <TOWER> defending a <COAST> or <HARBOUR> and usually including a gun platform, ammunition magazine, and accommodations for a garrison; Martello tower.

720

[SOED, "Martello tower"]

MAST

A straight piece of timber or a hollow cylinder of wood or metal set up vertically, or nearly so; mast.

721

PR

[S57A, Object: MSTCON]

[FACC, Annex A: AQ021]

MATERIAL

The matter of which an <OBJECT> is or may be made; material [SOED, "material", b.1].

722

MATERIAL_PROPERTY_SET

A <PROPERTY_SET> describing the <MATERIAL>s composing an <OBJECT>.

723

MEDICAL_FACILITY

A <FACILITY> devoted to medical research and/or the practice of medicine.

724

IR

[FACC, Annex B, BFC:100]

MEMORIAL_MONUMENT

A <MARKER> erected and/or maintained as a memorial to a person and/or event; memorial monument.

725

PR

[S57A, Object: MONUMT]

MERCHANT_MARINE_VESSEL

A <WATER_SURFACE_VESSEL> designed or designated for use in commerce; merchant marine vessel.

726

MERCURY

The primary <PLANET> of the <SUN> that is closest to the <SUN>, with an orbital mean <<RADIUS>> of approximately 57,91 million kilometres; Mercury.

727

IR

MESA

A <PLATEAU> that has eroded to have steep sides with a sizeable flat top; mesa.

728

MESH

An abstract <OBJECT> consisting of three related <NON_EMPTY_SET>s: a <MESH_NODE_SET>, a <MESH_EDGE_SET>, and a <MESH_FACE_SET>; mesh.

729

MESH_EDGE_PROPERTY_SET

A <PROPERTY_SET> describing the edges comprising a <MESH>.

730

MESH_EDGE_SET

The <NON_EMPTY_SET> of edges comprising a <MESH>. Each edge in the <NON_EMPTY_SET> connects two nodes in the related <MESH_NODE_SET>.

731

MESH_FACE_PROPERTY_SET

A <PROPERTY_SET> describing the faces comprising a <MESH>.

732

MESH_FACE_SET

The <NON_EMPTY_SET> of polygonal faces comprising a <MESH>. The edges bounding each face in the <NON_EMPTY_SET> are members of the related <MESH_EDGE_SET>.

733

MESH_NODE_PROPERTY_SET

A <PROPERTY_SET> describing the nodes comprising a <MESH>.

734

MESH_NODE_SET

The <NON_EMPTY_SET> of nodes comprising a <MESH>.

735

MESH_SOLID_PROPERTY-
_SET

A <PROPERTY_SET> describing the solids comprising a <SOLID_MESH>.

736

MESH_SOLID_SET

The <NON_EMPTY_SET> of polyhedral solids comprising a <SOLID_MESH>. The faces bounding each solid in the <NON_EMPTY_SET> are members of the related <MESH_FACE_SET>.

737

METER

A <DEVICE> for automatically measuring or indicating the quantity, degree, or rate of something; meter [SOED, "meter", n2.1.a].

1458

MEZZANINE

A low <FLOOR_LEVEL> between two others, especially a low <FLOOR_LEVEL> between the ground <FLOOR_LEVEL> and the <FLOOR_LEVEL> above or, occasionally, between the ground <FLOOR_LEVEL> and the <BASEMENT>; mezzanine [SOED, "mezzanine", A.1].

738

MIDDLE_CLOUD

A <CLOUD> of the genus altocumulus, altostratus, or nimbostratus; middle cloud. Also portions of a <CLOUD> of the genus cumulus or cumulonimbus.

739

PR

[WMO407, Section II.2.1.2]

[GMET, "cloud classification", 2, "middle clouds"]

MILITARY_FACILITY

A military <FACILITY>.

740

MILITARY_INSTALLATION

A <TRACT> that is protected by <FORTIFICATION>s or natural advantages and from which military operations are performed, forward movements are made, or supplies are furnished; military installation.

741

IR

[FACC, Annex A: SU001]

MILITARY_OPERATIONS-
_BUILDING

A <BUILDING> devoted to the act or process of managing military forces or overseeing the conduct of military operations; military operations building.

742

MILITARY_PERSONNEL

<PERSONNEL> who are members of an armed force; military personnel.

743

MILITARY_TRENCH

A <TRENCH> dug for military purposes.

744

IR

[FACC, Annex A: AH020]

MINARET

A tall, slender <TOWER> or turret connected with a <MOSQUE> and surrounded by one or more projecting <BALCONY>s from which a muezzin calls at hours of prayer; minaret [SOED, "minaret"].

745

MINEFIELD

A <REGION> throughout which <EXPLOSIVE_MINE>s have been laid; minefield.

747

[SOED, "minefield", a]

MINERAL_PILE

A man-made heap of mining or quarrying products that does not contain waste <MATERIAL>s; mineral pile.

748

PR

[FACC, Annex A: AM040]

MINE_COUNTERMEASURE-
_VESSEL

A <COMBATANT_VESSEL> that is designed to employ <EXPLOSIVE_NAVAL_MINE>s in warfare or countermeasures against <EXPLOSIVE_NAVAL_MINE>s while operating in coastal <WATERBODY_SURFACE_REGION>s; mine countermeasure vessel. Such a <COMBATANT_VESSEL> is also designed to be carried aboard larger <VESSEL>s.

746

MISSILE

A destructive projectile that during part or all of its course is self-propelling and directed by remote control or automatically; missile [SOED, "guided missile"].

749

MISSILE_SITE

A <FACILITY> for storing and launching <MISSILE>s; missile site.

750

PR

[FACC, Annex A: AL120]

MISSION

A religious centre established in a <REGION> for missionary, evangelical, or humanitarian work; mission [SOED, "mission", 4.b].

751

MIXED_URBAN_REGION

A <TRACT> containing <STRUCTURE>s in combination with undeveloped and/or agricultural <TRACT>s; mixed urban region.

752

MIXED_VEGETATION_LAND

A <TRACT> covered by a mixture of woody and non-woody <PLANT>s; mixed vegetation land.

753

PR

[FACC, Annex A: EE000]

MOAT

A <TRENCH>, which is usually filled with <WATER>, that surrounds a <TRACT> and serves as a <BARRIER>; moat.

754

IR

[FACC, Annex A: BH100]

MOBILE_BRIDGE_SYSTEM

A <SYSTEM> that is transported on a <VEHICLE> and used to erect semi-permanent <BRIDGE>s; mobile bridge system.

755

MOBILE_HOME

A trailer that is used as a <DWELLING>, has no permanent foundation, and is designed to be easily moved; mobile home [MWCD, "mobile home"].

756

IR

[FACC, Annex A: AI020]

MOBILE_HOME_PARK

A <TRACT> for the long-term parking of <MOBILE_HOME>s; mobile home park.

757

PR

[FACC, Annex A: AI020]

MOLLUSC

An <INVERTEBRATE> of the phylum Mollusca, the members of which have a soft body and usually a hard shell; mollusc [SOED,"mollusc"]. EXAMPLES Limpet, snail, cuttlefish, oyster, mussel.

758

MONASTERY

A <RELIGIOUS_COMMUNITY> of men; monastery [SOED, "monastery"].

759

MONERAN

A <LIVING_ORGANISM> of the kingdom Monera, which comprises all prokaryotic single-celled organisms; moneran [SOED, "monera"]. EXAMPLES Bacterium, cyanophyte.

760

MOON

The only <SATELLITE> of <EARTH>, with an orbital semi-major <<RADIUS>> of approximately 384 400 kilometres; Moon.

761

IR

MOORING_DOLPHIN

One or more <STRUCTURAL_PILE>s used in a <MOORING_FACILITY> or as a <MARINE_AID_TO_NAVIGATION>; mooring dolphin.

762

PR

[FACC, Annex A: BB080]

MOORING_FACILITY

A <FACILITY> used for mooring and/or warping a <VESSEL>.

763

IR

[S57A, Object: MORFAC]

MOORING_LINE

A <LOAD_CABLE> used for mooring; mooring line.

764

MOORING_MAST

A <MAST> used to secure an <AIRSHIP>; mooring mast.

765

PR

[FACC, Annex A: AQ110]

MOORING_RING

A metal ring attached to a <STRUCTURE> and used to secure a <VESSEL>; mooring ring.

766

PR

[FACC, Annex A: BB160]

MOORING_TROT

An <ANCHOR> and a related <NAVIGATION_MARK_AFLOAT>; mooring trot.

767

IR

[FACC, Annex A: BB021]

MORAINE

An accumulation of debris consisting of <SOIL> and <ROCK> that has been deposited by a <GLACIER>; moraine.

768

PR

[FACC, Annex A: BJ020]

MORMON_TEMPLE

A <WORSHIP_PLACE> where sacred Mormon ordinances are administered; Mormon temple [MWCD, "temple", n1.1.b].

769

[SOED, "temple", A.1.4]

MORTAR

A muzzle loading cannon for firing shells at low velocities, short ranges, and high trajectories; mortar [AHD, "mortar", 3.a].

770

MOSQUE

An Islamic <WORSHIP_PLACE>; mosque. A mosque is also known as a masjid.

771

IR

[WCE, "mosque"]

MOSS

A <PLANT> of the class Musci, comprising small bryophtes with scale-like leaves usually spirally arranged, with a spore-capsule usually opening by a lid, which grow in crowded masses in <BOG>s or on <SURFACE>s; or any of certain <ALGA>s, <LICHEN>s, <PTERIDOPHYTE>s, or flowering <PLANT>s resembling moss in habit; moss [SOED, "moss", II 3].

772

MOTEL

A <BUILDING> used to provide lodging for motorists in <ROOM>s usually having direct access to an open <VEHICLE_LOT>; motel [AHD, "motel"]. A motel is also known as a motor court or motor lodge.

773

MOTOR_VEHICLE

A <GROUND_VEHICLE> powered by a motor; motor vehicle.

774

MOTOR_VEHICLE_STATION

A <STRUCTURE> at, or in which, <MOTOR_VEHICLE>s are refuelled, serviced, and sometimes repaired; motor vehicle station. A motor vehicle station is also known as a filling station.

775

MOUNTAIN

A natural elevation of <TERRAIN> of an altitude that is impressive or notable relative to adjacent elevations; mountain.

776

IR

[S32, "mountain"]

[SOED, "mountain", 1.a]

MOUNTAINOUS_REGION

A <TERRAIN_SURFACE_REGION>, the physiography of which consists predominantly of <MOUNTAIN>s; mountainous region.

778

MOUNTAIN_PASS

A <LAND_TRANSPORTATION_ROUTE> through a localized <TERRAIN_SURFACE_REGION> in a range of <MOUNTAIN>s, where the <TERRAIN_SURFACE_REGION> is lower in <<TERRAIN_ELEVATION>> than the adjacent <MOUNTAIN>s; mountain pass.

777

PR

[FACC, Annex A: DB150]

MUD_LINE

A <BOUNDARY> of a <TERRAIN_SURFACE_REGION> of mud that adjoins a <WATERBODY> and is covered and uncovered depending on the <<ELEVATION>> of the <TERRAIN> and the current <<ELEVATION>> of the <WATERBODY_SURFACE>; mud line.

779

PR

[FACC, Annex A: BE023]

MULTIDOMAIN_VEHICLE

A <VEHICLE> capable of operation in more than one environmental domain; multidomain vehicle.

781

MULTI_UNIT_DWELLING

A <BUILDING> used as a <DWELLING> by multiple groups of occupants; multi-unit dwelling.

780

IR

[FACC, Annex B, BFC:17]

MUNICIPAL_HALL

A <BUILDING> that contains the offices of the public officials of a local political unit; municipal hall.

782

MUNICIPAL_UTILITY_FACILITY

A <FACILITY> devoted to the provision of utility services (for example: electricity, telecommunications, gas, <WATER>, sewage, trash collection, and/or trash disposal) to the residents of a locally governed <REGION> or municipality.

783

MUNITION

A <DEVICE> charged with: explosives; propellant; pyrotechnics; initiating composition; or nuclear, chemical, or biological <MATERIAL> for use in military operations (for example: demolitions); munition.

784

[SOED, "munition", 3]

MUSEUM_BUILDING

A <BUILDING> devoted to the acquisition, conservation, study, exhibition, and educational interpretation of <OBJECT>s having scientific, historical, or artistic value; museum building [AHD, "museum"].

785

MUSEUM_FACILITY

A <FACILITY> including one or more <MUSEUM_BUILDING>s.

786

MUSHROOM

A <FUNGUS> of phylum Basidiomycota, the members of which have a fleshy, fruiting body, usually rounded or caplike, on a stalk growing from the ground; mushroom [SOED, "mushroom"].

787

NAMED_LAND_TRACT

A <TRACT> of natural scenery, defined by its geographical characteristics and known by its proper name.

788

PR

[S57A, Object: LNDRGN]

NAMED_MAP_LOCATION

A <LOCATION> that normally does not appear as a specific, characterized <OBJECT> on a <MAP> but has a name that is required to be placed on the <MAP>.

789

IR

[FACC, Annex A: ZD040]

NATIONAL_PARK

An extensive <REGION> of a particular nature that has been defined by law and is to be protected as a whole; it meets the prerequisites of a <NATURE_RESERVE> for the largest part and has been influenced by <HUMAN>s at most only to a small extent; national park.

790

PR

[FACC, Annex A: FA080]

NATURAL_AIR_OBSTRUCTION

An existing <OBJECT> of fixed <<HEIGHT_AGL>> or natural growth at a fixed <LOCATION> within a proscribed <REGION> (for example: adjacent to an <AERODROME>) with reference to which vertical clearance is or must be provided during flight operations; natural air obstruction.

791

PR

[FACC, Annex A: GB220]

NATURAL_GAS_RIG

A <RIG> for the collection of natural gas from a <WELL>; natural gas rig.

792

NATURE_RESERVE

A <REGION> that has been legally defined and the nature and landscape of which require special protection, be it in part or as a whole, in order to preserve symbioses or biotypes of specific wildlife <NON_HUMAN_ANIMAL>s or <PLANT>s: for scientific reasons; for reasons of natural or geographic history; or because of their rareness, uniqueness, or outstanding beauty; nature reserve.

793

PR

[FACC, Annex A: FA081]

NAUTICAL_CLUB

The <BUILDING>s, <GROUNDS>, and <DOCK>s of an organization that promotes and supports yachting, sailing, and boating; nautical club. A nautical club is also known as a yacht club or sailing club.

794

IR

[FACC, Annex B, BFC:55]

NAVIGABLE_WATERWAY

A <WATERCOURSE> that is usable, sometimes after improvements, as a commercial <WATERBODY_ROUTE>; navigable waterway.

795

PR

[S32, "navigable waters"]

NAVIGATION_BUOY

A <BUOY> serving as a <MARINE_AID_TO_NAVIGATION>; navigation buoy.

796

PR

[FACC, Annex A: BC020]

NAVIGATION_DEVICE

Any visual or electronic <DEVICE>, usually located within a <VEHICLE>, that provides point-to-point guidance information or <LOCATION> data; navigation device. A navigation device is also known as a navigation aid.

797

IR

[FACC, Annex A: GA035]

NAVIGATION_LIGHT

A specially constructed <DEVICE> that displays a <LIGHT> as an <AID_TO_NAVIGATION>; navigation light.

798

PR

[FACC, Annex A: BC040]

NAVIGATION_LINE

A <LINE> between two <AID_TO_NAVIGATION>s that extends towards the <REGION> of navigational interest; navigation line.

799

PR

[FACC, Annex A: BC031]

NAVIGATION_MARK_AFLOAT

A floating <STRUCTURE> providing a reference <LOCATION> for navigation; navigation mark afloat.

800

IR

[FACC, Annex A: BC098]

NAVIGATION_MARK_FIXED

A fixed <STRUCTURE> providing a reference <LOCATION> for navigation; navigation mark fixed.

801

IR

[FACC, Annex A: BC099]

NAVIGATION_RADAR_RANGE

A <WATERBODY_REGION> within range of a <RADAR_STATION>; navigation radar range. Inside this <REGION> a <VESSEL> may request navigation radar assistance from <SHORE>, particularly in poor visibility.

802

IR

[S57A, Object: RADRNG]

NAVIGATION_RESTRICTED-
_REGION

A <REGION> in which certain aspects of navigation are restricted.

803

IR

[S57A, Object: RESARE]

NEAP_TIDE

A <TIDE> of decreased range (or tidal <WATER_CURRENT>s of decreased <<WATER_CURRENT_SPEED>>) occurring semi-monthly as the result of the <MOON> being in quadrature; neap tide [TCG, "neap tides or tidal currents"]. The neap range of the <TIDE> is the mean range occurring at the time of neap <TIDE>s and is most conveniently computed from the harmonic constants. It is smaller than the mean range where the type of <TIDE> is either semi-diurnal or mixed and is of no practical significance where the type of <TIDE> is predominantly diurnal.

804

PR

[S32, "tide(s): neap"]

[SOED, "neap", adj.]

NEARSHORE_PRECISE

The <TERRAIN_STRIP> that is located between the 10 metre <DEPTH_CURVE> and the <LOW_WATER_LINE> defined by either mean low water springs or mean lower low water as defined by the applicable National Authority; nearshore precise.

805

PR

[FACC, Annex A: BA021]

NEBULA

An immense body of highly rarefied gas and dust in the interstellar spaces of <GALAXY>s; nebula.

806

[SOED, "nebula", 2]

NEPTUNE

The primary <PLANET> of the <SUN> that is normally eighth in distance from the <SUN>, with an orbital mean <<RADIUS>> of approximately 4 504,4 million kilometres; Neptune.

807

IR

NETWORK

A <SYSTEM> of inter-connected <OBJECT>s of either the same type or directly related types; network.

808

PR

[FACC, Annex A: ZD001]

NEWSPAPER_PLANT

A <BUILDING> used in the printing, collating, storage, or distribution of a newspaper; newspaper plant.

809

IR

[FACC, Annex B, BFC:85]

NON_AQUEOUS_CLOUD

An <AEROSOL> of non-aqueous <PARTICLE>s (for example: <SMOKE> and/or <DUST>); non-aqueous cloud.

810

[SOED, "cloud", 4]

NON_COMMUNICATION_TOWER

A <TOWER> that is used for non-communication purposes (for example: observation, support, and/or storage).

811

PR

[FACC, Annex A: AL240]

NON_EMPTY_SET

A <SET> with at least one member; non-empty set.

812

NON_HUMAN_ANIMAL

An <ANIMAL> other than a <HUMAN>; non-human animal [SOED, "animal", A.a].

813

NON_SUBMARINE_CONTACT

Any <OBJECT> (for example: a <MARINE_WRECK>) on a <WATERBODY_FLOOR> that could be mistakenly identified as an operable <SUBMERSIBLE_VESSEL> when detected with acoustic or magnetic <SENSOR>s; non-submarine contact.

814

IR

[FACC, Annex B: PEV, RAG, WDT, WKT, WRN, and WSR]

NUCLEAR_REACTOR

<EQUIPMENT>, which may be contained within a <POWER_PLANT> or <VESSEL>, in which a nuclear chain reaction is initiated, sustained, and controlled; nuclear reactor.

815

IR

[FACC, Annex A: AD040]

NUCLEAR_WEAPONS_FACILITY

A <FACILITY> used for the construction, assembly, storage, or dismantling of nuclear <WEAPON>s.

816

OASIS

A small, isolated, fertile, or green <TRACT> in a <DESERT_REGION> usually having a <WATERING_PLACE>; oasis.

817

PR

[FACC, Annex A: EC020]

OBJECT

A person, place, thing, or concept; object.

818

OBJECT_PROPERTY_SET

A <PROPERTY_SET> describing an <OBJECT>.

819

OBJECT_SET

A <NON_EMPTY_SET> of <OBJECT>s.

820

OBSERVATION_STATION

A station that is equipped for observation and study.

821

IR

[FACC, Annex B, BFC:10]

OBSERVATORY

An <OBSERVATION_STATION> designed and equipped for making observations of astronomical, meteorological, or other natural phenomena; observatory [SOED, "observatory", 1].

822

OCCLUDED_FRONT

A composite of two <ATMOSPHERIC_FRONT>s formed as a <COLD_FRONT> overtakes a <WARM_FRONT> or a <STATIONARY_FRONT>; occluded front.

823

PR

[WMO182, O0070, "occluded front"]

OCCUPATION_ZONE

A <REGION> temporarily held and controlled by a hostile military force; occupation zone.

824

PR

[FACC, Annex A: FA170]

OCEAN

One of the major divisions of an expanse of salt <WATER> covering a <PLANETARY_SURFACE>; ocean.

825

IR

[BOWD, "GLOSSARY OF MARINE NAVIGATION", "ocean", 2]

[S32, "ocean"]

OCEAN_BASIN

A <TERRAIN_DEPRESSION> of an <OCEAN_FLOOR> approximately equidimensional in plan view and of variable extent; ocean basin.

826

IR

[BOWD, "basin", 1]

[S32, "basin" (oceanography)]

OCEAN_FLOOR

The <WATERBODY_FLOOR> of an <OCEAN>.

827

OCEAN_FLOOR_TOPOGRAPHIC-
_CONFIGURATION

A <WATERBODY_FLOOR_TOPOGRAPHIC_CONFIGURATION> of an <OCEAN_FLOOR>.

1440

IR

[SUFN, page 2-1, sub-paragraph I-B; "undersea feature"]

OFFSHORE_LOADING_FACILITY

A <FACILITY> located in a <WATERBODY> for loading and unloading <CARGO>; offshore loading facility.

829

PR

[FACC, Annex A: BB170]

OFFSHORE_PLATFORM

A <STRUCTURE> placed in a <WATERBODY> and used: for production, loading, and discharge; as an <OBSERVATION_STATION>; or as a <SCIENCE_FACILITY>; offshore platform.

830

IR

[FACC, Annex A: BD111]

OFF_ROUTE_BEARING

The <DIRECTION> and distance from an <AID_TO_NAVIGATION> to a defined <WAYPOINT>; off route bearing.

828

PR

[FACC, Annex A: GA030]

OIL_BARRIER

A floating <BARRIER> to stop and contain oil flow on a <WATERBODY_SURFACE>; oil barrier.

831

IR

[S57A, Object: OILBAR]

OIL_DRILLING_RIG

A <RIG> assembled primarily for the purpose of drilling an oil <WELL>; oil drilling rig.

832

IR

[GOFP, "drilling rig"]

OPEN_AIR_BATH

An open air bath.

833

OPEN_WATER

A <WATERBODY_REGION> where the <WATER> is flowing or free standing; open water.

834

IR

[FACC, Annex A: SA010]

OPERA_HOUSE

A <BUILDING> that houses a <THEATRE> designed chiefly for the performance of operas; opera house.

835

[SOED, "opera-house"]

ORCHARD

A <TREED_TRACT> devoted to the cultivation of fruit or nut <TREE>s; orchard [AHD, "orchard", 1].

836

IR

[FACC, Annex A: EA040]

ORE_REFINERY

An <INDUSTRIAL_WORKS> for purifying ores (for example: copper and/or silver) and extracting from them various metal and chemical products; ore refinery.

837

ORNAMENT

A material <OBJECT> serving to adorn, beautify, or embellish; ornament [SOED, "ornament", 2.a]. An ornament is also known as a decoration.

1436

OUTBUILDING

A small <BUILDING> that is separate from but is located near a main <BUILDING>; outbuilding.

838

[SOED, "outbuilding"]

OVERFALL_REGION

A <WATERBODY_REGION> where short, breaking <WATER_WAVE>s are formed on the <WATERBODY_SURFACE> when a strong <WATER_CURRENT> passes over a <SHOAL> or other submarine obstruction or meets a contrary <WATER_CURRENT> or <WIND>; overfall region.

839

PR

[S57A, Attribute, CATWAT:3]

OVERHEAD_OBSTRUCTION

An overhead obstruction (for example: an underpass, an overhead <PIPELINE>, and/or a <BUILDING_OVERHANG>) on a <TRANSPORTATION_ROUTE>.

840

PR

[FACC, Annex A: AL155]

OVERPASS

A <BRIDGE> used to provide clearance to traffic on a <LAND_TRANSPORTATION_ROUTE> at a lower elevation; overpass.

841

PACK_ICE

A <REGION> of <ICE> on a <WATERBODY> formed by the drifting and crushing together of ice floes, where the term is used in a wide sense to include any <REGION> of sea ice other than fast ice; pack ice. The movement of individual floes is restricted as the pack moves as a single unit.

842

IR

[S32, "pack ice"]

[FACC, Annex A: BJ070]

PAGODA

A <HINDU_TEMPLE>, <BUDDHIST_TEMPLE>, and/or sacred <BUILDING>, usually in the form of a many-tiered <TOWER> with <FLOOR_LEVEL>s of diminishing size, each with an ornamented projecting <ROOF>; pagoda [SOED, "pagoda", 1].

843

PALACE

A <BUILDING> serving, or that has previously served, as the official residence of a royal personage or high dignitary in a religious establishment or government; palace.

844

[SOED, "palace", 1]

PALACE_COMPLEX

A <PALACE> and one or more associated <BUILDING>s; palace complex.

845

IR

[FACC, Annex B, BFC:11]

PAPER_MILL

A <FACILITY> for processing natural fibres (for example: wood) into flexible sheets or rolls of paper by deposit from an aqueous suspension; paper-mill.

846

[SOED, "paper-mill"]

PARAPET

An <EMBANKMENT>, especially one on top of a <WALL> or <RAMPART> or in front of a <MILITARY_TRENCH>, that is built to provide protection from an enemy's observation and fire, to protect <EQUIPMENT>, to stabilize an adjacent <STRUCTURE>, or to serve as a <TERRAIN_OBSTACLE>; parapet [SOED, "parapet", 1].

847

PARCEL

An administrative subdivision of a <TRACT>; parcel.

848

IR

[FACC, Annex A: IA040]

PARK

A <PLANETARY_SURFACE_REGION> used for recreational or ornamental purposes; park.

849

PR

[FACC, Annex A: AK120]

PARKING_GARAGE

A <BUILDING> or indoor space used to park or keep <MOTOR_VEHICLE>s; parking garage.

850

IR

[FACC, Annex B, BFC:21]

PARKING_LANE

A <ROUTE_LANE_LAND> at the <BOUNDARY> of a <ROAD> that is intended to serve as a parking <LOCATION> for <MOTOR_VEHICLE>s; parking lane.

1459

PARKING_METER

A <METER>, usually coin-operated, receiving fees and registering the <<TIME_QUANTITY>> for which a <GROUND_VEHICLE> is allowed to park; parking meter.

1460

IR

[SOED, "parking meter"]

PARTICLE

A minute portion of <MATERIAL>; particle [SOED, "particle", 2].

851

PARTICLE_ACCELERATOR

A <DEVICE> for imparting high velocities to charged <PARTICLE>s; particle accelerator.

852

PR

[FACC, Annex A: AL140]

PATROL_CRAFT

A <WATER_SURFACE_VESSEL> under 100 tonnes in displacement and equipped for patrol duties on relatively sheltered <WATERBODY_SURFACE_REGION>s (for example: <HARBOUR>s and/or <RIVER>s); patrol craft.

853

PENSTOCK

A <PIPELINE> or channel generally used by hydroelectric <POWER_PLANT>s or water mills to transport <WATER> by gravity or under pressure; penstock.

854

PR

[FACC, Annex A: BH110]

PERMAFROST

A layer of <SOIL> or <BEDROCK> at a variable <<DEPTH_BELOW_SURFACE_LEVEL>> beneath the <SURFACE> of the <LAND> in which the <<TEMPERATURE>> has been below freezing continuously from a few to thousands of years; permafrost.

855

IR

[SP35, "permafrost"]

PERMANENT_SNOWFIELD

A permanent <SNOWFIELD>.

856

IR

[GMET, "snowfield", 2]

PERSONNEL

The <NON_EMPTY_SET> of <HUMAN>s employed by an organization or engaged in a service; personnel [SOED, "personnel", 1.a].

857

PETROLEUM

A dark viscous liquid consisting chiefly of hydrocarbons that is sometimes present in <ROCK> and is refined for use (for example: as a fuel and/or as a source material for manufacturing); petroleum [SOED, "petroleum", 1.a].

858

PETROLEUM_BUILDING

A <BUILDING> involved in the production or distribution of <PETROLEUM>.

859

IR

[FACC, Annex B, BFC:102]

PETROLEUM_FACILITY

A <FACILITY> involved in the production or distribution of <PETROLEUM>, oil, and/or natural gas products [DFDD, Feature Dictionary: AC040].

860

IR

[FACC, Annex A: AC040]

PETROLEUM_FIELD

A <TRACT> where <PETROLEUM> is pumped or otherwise removed from the ground; petroleum field.

861

PR

[FACC, Annex A: AA052]

PETROLEUM_REFINERY

An <INDUSTRIAL_WORKS> for refining and purifying <PETROLEUM>; petroleum refinery.

862

IR

[FACC, Annex A: AC040]

PETROLEUM_TANK_FARM

A <FACILITY> devoted to the storage of <PETROLEUM> through the use of a collection of, generally above ground, <STORAGE_TANK>s; petroleum tank farm [SOED, "tank farm"].

863

PHOSPHORESCENT_REGION

A phosphorescent <WATERBODY_REGION>.

864

IR

[SP35, "phosphoresence"]

PICNIC_TRACT

A <TRACT> that has picnic tables for public use.

865

PR

[FACC, Annex A: AK061]

PIER

A long, narrow <STRUCTURE> extending into a <WATERBODY> to afford a berthing place for <VESSEL>s or to serve as a promenade; pier.

866

PR

[S32, "pier"]

PINGO

A conical or dome-shaped <HILL>, oval in plan, having a large central core of <ICE> and developed in a <TERRAIN_SURFACE_REGION> of <PERMAFROST>; pingo [S32, "pingo"] and [DESCI, "pingo"]. Pingos are formed from the encroachment of <PERMAFROST> and the resulting hydrostatic pressure. Some pingos have breached crests in which <ICE> may be exposed.

867

IR

[FACC, Annex A: BD121]

PIPE

A hollow cylinder or tube of metal, plastic, or other <MATERIAL> that is used for the conveyance of slurries, liquids, or gases; pipe [SOED, "pipe", n1.3.a].

868

IR

[FACC, Annex A: AQ113]

PIPELINE

A <NON_EMPTY_SET> or connected <SET> of <PIPE>s for conveying liquids, slurries, or gases, often underground; pipeline.

869

IR

[FACC, Annex A: AQ113]

PIPELINE_TERMINUS

The apparent end of a <PIPELINE> located above the <TERRAIN> where it enters the <TERRAIN>; pipeline terminus. This apparent end often occurs at a pumping or industrial <FACILITY> or where the <PIPELINE> crosses under a <LAND_TRANSPORTATION_ROUTE>.

870

PIPING_COMPLEX

A <NON_EMPTY_SET> of <PIPE>s and associated <PUMP>s used to transfer slurries, liquids, or gases from one <LOCATION> to another; piping complex.

871

PLANET

A <CELESTIAL_BODY> that (a) is in orbit around a <STAR>, (b) has sufficient <<MASS>> for its self-gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium (nearly round) shape, and (c) has cleared the neighbourhood around its orbit; planet.

872

IR

[IAUB5]

PLANETARY_MAGNETIC_POLE

Either of the two <LOCATION>s on a <PLANETARY_SURFACE> where, given the presence of a planetary <MAGNETIC_FIELD>, the magnetic dip is 90 arc degrees (locally vertical); planetary magnetic pole.

873

IR

[FACC, Annex A: ZC051]

PLANETARY_POLE

Either of the two <LOCATION>s where the axis of rotation of a <PLANET> intersects the <PLANETARY_SURFACE>; planetary pole.

874

PR

[S32, "pole"]

PLANETARY_SURFACE

The <SURFACE> of a <PLANET>, specifically the <SURFACE> of the <LAND> and/or <WATERBODY>s.

875

PLANETARY_SURFACE_REGION

A <REGION> of a <PLANETARY_SURFACE>.

1486

PLANKTON

Zooplankton or phytoplankton that is passively floating or drifting in a <WATERBODY>; plankton [MWCD, "plankton"].

876

PLANKTON_BLOOM

An enormous concentration of <PLANKTON> in a <WATERBODY>, caused either by an explosive or a gradual multiplication and usually producing an obvious change in the physical appearance of the <WATERBODY_SURFACE_REGION>, such as discolouration; plankton bloom.

877

IR

[SP35, "plankton bloom"]

PLANT

A <LIVING_ORGANISM> of the kingdom Plantae, the members of which typically are fixed to a substrate, able to subsist wholly on inorganic substances, and move chiefly by growth; plant [SOED, "plant", 2].

878

PLANTATION

An estate where cash crops are grown on a large scale, especially in tropical <REGION>s; plantation [SOED, "plantation", 5].

880

PLANTER

A <CONTAINER> for growing or displaying <PLANT>s; planter [SOED, "planter", 6b].

1435

PLANT_NURSERY

A <FACILITY> where <PLANT>s are grown for transplanting, seed, or grafting; plant nursery.

879

PR

[FACC, Annex A: EA030]

PLATEAU

A relatively flat <TERRAIN_SURFACE_REGION> that falls off gradually on at least one side; plateau.

881

IR

[SP35, "plateau"]

PLUME

An identifiable stream of <AIR> with an <<AIR_TEMPERATURE>> or composition different from that of its environment; plume. EXAMPLE <SMOKE> from a <CHIMNEY>.

882

PR

[WMO182, P0820, "plume"]

PLUTO

The <DWARF_PLANET> of the <SUN> whose orbit is primarily outside that of <NEPTUNE>; Pluto.

883

IR

[IAUB6]

POD

A <SET> of two or more seals or <WHALE>s closely clustered together; pod.

884

IR

[SP35, "pod"]

POINT_ABEAM

The <LOCATION> on a <LINE> that is nearest to and abeam of another <LOCATION> that is not on the <LINE>; point abeam. EXAMPLE A <LOCATION> on the centre-line of a <RUNWAY> is abeam a glide slope <AERIAL> when the distance from the centre-line of the <RUNWAY> to the glide slope <AERIAL> is at a minimum.

885

PR

[FACC, Annex A: GB058]

POLAR_CAP

A <REGION> of <ICE> or other frozen <MATERIAL> surrounding a <PLANETARY_POLE>; polar cap [SOED, "polar cap"].

886

POLAR_ICE

<ICE> that is a permanent feature of <PLANETARY_POLE>s; polar ice.

887

IR

[FACC, Annex A: BJ080]

POLE

A long, slender, more or less cylindrical piece of <MATERIAL> (for example: wood or metal) used as a support (for example: to hold up a <TENT>, for <VEGETATION> to climb on, for supporting an <ELEVATED_ELECTRICAL_CABLE>, and/or for holding up scaffolding); pole [SOED, "pole", 1.a].

888

POLICE_STATION

A <PUBLIC_SERVICE_STATION> that serves as the headquarters of a unit of a police force and that is where those under arrest are first charged; police station.

889

[SOED, "police station"]

POLYNYA

A large <REGION> of <OPEN_WATER> that is surrounded by floating <ICE>; polynya [SOED, "polynya"].

891

PONTOON

A broad, flat-bottomed <STRUCTURE> that is rectangular in shape, resembles a barge, and is designed to float on a <WATERBODY_SURFACE>; pontoon.

892

IR

[S57A, Object: PONTON]

PORPOISE

A small to moderate sized member of the order Cetacea, suborder Odontoceti, family Phocaenidae; porpoise.

893

IR

[SP35, "porpoise"]

POST_OFFICE

A <PUBLIC_SERVICE_STATION> where postal business (for example: where mail is handled and/or where stamps and other postal materials are sold) may be carried on; post office.

894

[SOED, "post office", 1 and 2]

POTENTIAL_LANDSLIDE-
_REGION

A <TRACT> with a high potential of slipping down from an elevated <LOCATION> (for example: a <CLIFF> and/or the side of a <MOUNTAIN>); potential landslide region.

895

PR

[FACC, Annex A: DB210]

POTENTIAL_TEMPERATURE-
_INVERSION_LAYER

A layer in an <ATMOSPHERE> where the <<POTENTIAL_AIR_TEMPERATURE>> increases with <<HEIGHT_AGL>>; potential temperature inversion layer.

1439

IR

[PLKEMMM]

POWER_GENERATION_BUILDING

A <BUILDING> and associated <EQUIPMENT> used for the generation of electric power; power generation building.

896

IR

[FACC, Annex A: AD010]

POWER_PLANT

A <FACILITY> including one or more <POWER_GENERATION_BUILDING>s; power plant.

897

PR

[FACC, Annex A: AD010]

POWER_SUBSTATION

A <FACILITY>, along a <POWER_TRANSMISSION_LINE>, in which electric current is transformed and/or distributed; power substation. A power substation is also known as a transformer yard.

898

PR

[FACC, Annex A: AD030]

POWER_TRANSMISSION_LINE

A <SYSTEM> of <ELEVATED_ELECTRICAL_CABLE>s and associated <POWER_TRANSMISSION_LINE_PYLON>s that transmit electrical power; power transmission line.

899

PR

[FACC, Annex A: AT030]

POWER_TRANSMISSION_LINE-
_PYLON

A <PYLON> or <POLE> used to support a <POWER_TRANSMISSION_LINE>.

900

PR

[FACC, Annex A: AT040]

POWER_TRANSMISSION_LINE-
_TERMINUS

The terminus of a <POWER_TRANSMISSION_LINE> at a <POWER_PLANT>, <POWER_SUBSTATION>, transformer, or receiving <FACILITY>.

901

PRECIPITATION

Aqueous <PARTICLE>s in liquid phase or solid phase that originate in the <ATMOSPHERE> and fall to the <PLANETARY_SURFACE> of the <EARTH>; precipitation.

902

IR

[GMET, "precipitation"]

PRECIPITATION_REGION

A <REGION> where <PRECIPITATION> is occurring.

903

PRECOLLEGIATE_CAMPUS

A <FACILITY> used for precollegiate instruction (generally of children); precollegiate campus.

904

IR

[FACC, Annex B, BFC:15]

PREPARED_DEFENSIVE_POSITION-
_SITE

A <SITE> containing one or more prepared <DEFENSIVE_POSITION>s.

905

PREPARED_DEFENSIVE_TRACT

A <TRACT> containing military <STRUCTURE>s resistant to <MUNITION>s (for example: a bastion, a <RAMPART>, a <FORTIFICATION>, a <DEFENSIVE_POSITION>, an <INFANTRY_TRENCH>, and/or a <BUNKER>); prepared defensive tract.

906

PREPARED_WATERCOURSE-
_CROSSING

A <LOCATION> on a <WATERCOURSE> that has <RAMP>s, <STRUCTURAL_PILE>s, and/or <PIER>s constructed on one or both <SHORE>s to allow for suitable future crossing operations using floating <BRIDGE>s or rafting <EQUIPMENT>; prepared watercourse crossing.

907

PR

[FACC, Annex A: AQ111]

PRESSURE_ICE

<ICE> located in a <SEA>, <RIVER>, or <LAKE> that has been deformed or altered by the lateral stresses of any combination of <WIND>, <TIDE>s, <WATER_WAVE>s, and <SURF>; pressure ice.

908

IR

[SP35, "pressure ice"]

PREVAILING_CURRENT

A <WATERBODY_CURRENT> most frequently observed during a given observation period, usually a month, season, or year; prevailing current.

909

IR

[SP35, "prevailing current"]

PRISON

A <DETENTION_FACILITY> where long (usually more than one year) sentences for criminal misconduct can be served; prison.

910

[SOED, "prison", A.1]

PROCESSING_BUILDING

A <BUILDING> that is used for the changing or refining of a particular <MATERIAL>; processing building. A processing building is also known as a treatment building.

911

IR

[FACC, Annex B, BFC:89]

PROCESSING_FACILITY

A <FACILITY> including one or more <PROCESSING_BUILDING>s; processing facility.

912

PR

[FACC, Annex A: AC000]

PROHIBITED_REGION

A <REGION>, usually on a <MILITARY_INSTALLATION>, where entrance or presence of unauthorized <PERSONNEL> is prohibited, typically due to the presence of unexploded <MUNITION>s, <EXPLOSIVE_MINE>s, or sensitive environmental habitats; prohibited region.

913

PROMONTORY

A high point of <LAND> extending into a <WATERBODY>; promontory.

914

IR

[SP35, "promontory"]

PROPERTY_SET

A <SET> of EDCS Attributes and/or functional relationships between EDCS Attributes that are applicable to an <OBJECT>, <LOCATION>, and/or <REGION>; property set.

915

PROTECTION_SHED

A <SHELTER> built to protect a section of <ROAD> or <RAILWAY> from slides of <SNOW_GROUND_COVER> and/or <ROCK>; protection shed.

916

PR

[FACC, Annex A: AL210]

PROTIST

A <LIVING_ORGANISM> of the kingdom Protista, the members of which are simple organisms that are between, or distinct from, <ANIMAL>s and <PLANT>s, especially a unicellular eukaryote; protist [SOED, "protist"]. EXAMPLES Protozoan, single-celled <ALGA>.

917

PTERIDOPHYTE

A <PLANT> of the group Pteridophyta; pteridophyte [SOED, "pteridophyte"]. EXAMPLES <FERN>, horsetail, clubmoss.

918

PUBLIC_INN

A <RESTAURANT> where lodging may be available; public inn.

919

[SOED, "inn", 3]

PUBLIC_SERVICE_STATION

A station that houses public services and from which operations are directed or services provided.

920

PUBLIC_SQUARE

An open <TRACT> used for public meetings in a <CITY> or <TOWN>; public square.

921

PR

[FACC, Annex A: AL170]

[SOED, "square", n.5.b]

PUBLIC_TELEPHONE

A <TELEPHONE> that accesses the public land line <NETWORK> and is at a fixed <LOCATION> for use by the general public.

1463

PUFF

A small, identifiable quantity of <AIR> with a composition different from that of its environment emitted in one light, abrupt blast; puff. EXAMPLE The initial <NON_AQUEOUS_CLOUD> of <SMOKE> from an explosion.

922

PULPIT

A raised <STRUCTURE> consisting of an enclosed platform from which the preacher in a <CHURCH> or <CHAPEL> delivers the sermon; pulpit [SOED, "pulpit", 2.a].

923

PUMP

A mechanical <DEVICE> used to move fluid by lifting, suction, or pressure; pump.

1464

[SOED, "pump", noun, 1]

PUMPING_STATION

A <FACILITY> to move slurries, liquids, or gases by means of pressure or suction; pumping station.

926

PR

[FACC, Annex A: AQ116]

PUMP_OUT_FACILITY

A <FACILITY> with <EQUIPMENT> to pump out waste liquids from <VEHICLE>s; pump out facility.

924

IR

[FACC, Annex A: BB200]

PUMP_ROOM

A <BUILDING> or <ROOM> housing <PUMP>s for raising, compressing, or transferring fluids; pump room. In the US, a pump room is also known as a pump house.

925

IR

[FACC, Annex A: AQ116]

[SOED, "pump room"]

PYLON

A tall <STRUCTURE> erected as a support; pylon [SOED, "pylon", 4.a].

927

QUARRY

An open air <EXCAVATION> created by removal of <ROCK> by blasting and/or cutting; quarry.

928

IR

[FACC, Annex A: AA012]

[SOED, "quarry", n2.1a]

RACETRACK

A course for racing (for example: racing <NON_HUMAN_ANIMAL>s and/or racing <MOTOR_VEHICLE>s); racetrack.

929

IR

[FACC, Annex A: AK130]

RADAR_DEVICE

A <DEVICE> used for the reception or transmission of radar signals.

930

IR

[FACC, Annex A: AT045]

RADAR_LINE

A <LINE> shown on a marine <MAP> corresponding to the <LINE>s seen on radar displays of <HARBOUR>s; radar line.

931

IR

[S57A, Object: RADLNE]

RADAR_MATERIAL_PROPERTY-
_SET

A <PROPERTY_SET> describing the radar properties of the <MATERIAL>s composing an <OBJECT>.

932

RADAR_RECEIVER

A <DEVICE> used for the reception of radar signals; radar receiver.

933

IR

[FACC, Annex A: AT045]

RADAR_REFERENCE_LINE

A <LINE> along which <VESSEL>s are guided by a traffic control centre located in a <RADAR_STATION>; radar reference line. This <LINE> is shown on a marine <MAP> in proximity to a <WATERBODY_ROUTE>.

934

PR

[FACC, Annex A: FC130]

RADAR_STATION

A <RADAR_DEVICE> and support <STRUCTURE>s; radar station.

935

IR

[S57A, Object: RADSTA]

RADAR_TRANSMITTER

A <DEVICE> used for the transmission of radar signals; radar transmitter.

936

IR

[FACC, Annex A: AT045]

RADIOLOGIC_HAZARD_REGION

A <REGION> in which a radiologic substance is present that can kill, seriously injure, or incapacitate a <HUMAN> and/or <ANIMAL> through its physiological properties; radiologic hazard region. The radiologic substance is usually dispersed over a <SURFACE> and/or within the <ATMOSPHERE>.

937

RAILWAY

A <LAND_TRANSPORTATION_ROUTE> consisting of one or more <RAILWAY_TRACK>s; railway. In the US, a railway is known as a railroad.

941

IR

[FACC, Annex A: AN010]

[SOED, "railway"]

RAILWAY_CROSSING_SIGN

A <DISPLAY_SIGN> acting as a <TRAFFIC_CONTROL_DEVICE> that identifies the <LOCATION> of a <LEVEL_CROSSING> between a <RAILWAY> and a <ROAD>.

1465

IR

[MUTCD, 1A13, "highway-rail grade crossing"; 8B, "signs and markings"]

RAILWAY_NEXUS

A representation of one or more <RAILWAY>s, especially in a <BUILT_UP_REGION>; railway nexus.

942

RAILWAY_SIDETRACK

A stretch of <RAILWAY_TRACK> connected to a main <RAILWAY> and used for temporary storage, loading, and/or unloading; railway sidetrack.

943

PR

[FACC, Annex A: AN050]

RAILWAY_SIDING

A short stretch of <RAILWAY_TRACK> connected at both ends to a main <RAILWAY> and used to store <RAIL_WAGON>s or enable <TRAIN>s on the same line to pass; railway siding [SOED, "siding", II.7.a].

944

IR

[FACC, Annex A: AN050]

RAILWAY_SIGNALMAN_HOUSE

A manned <STRUCTURE> located adjacent to a <RAILWAY> that displays control information to passing <TRAIN>s; railway signalman house.

947

IR

[FACC, Annex B, BFC:76]

RAILWAY_SIGNAL_BOX

Automated <EQUIPMENT> from which signals are sent to control the movements of <TRAIN>s; railway signal box. A railway signal box is also known as a railway signal tower.

945

IR

[FACC, Annex B, BFC:76]

RAILWAY_SIGNAL_STRUCTURE

An automated or manned <STRUCTURE> located adjacent to a <RAILWAY> that displays control information to passing <TRAIN>s; railway signal structure.

946

[SOED, "signal-box"]

RAILWAY_SPUR

A short <RAILWAY_TRACK> that connects with the main <RAILWAY> at one end only; railway spur [AHD, "spur track"].

948

IR

[FACC, Annex A: AN050]

RAILWAY_STATION

A <BUILDING> or stopping place along a <RAILWAY> for taking on and letting off passengers or for servicing; railway station.

949

[SOED, "railway station", IV.16]

RAILWAY_STORAGE_REPAIR-
_BUILDING

A <BUILDING> that is used for the servicing, repair, and/or storage of <RAIL_WAGON>s and related <EQUIPMENT>; railway storage repair building.

950

[SOED, "shed", n2.1.b]

RAILWAY_STORAGE_REPAIR-
_FACILITY

A <FACILITY> used for the servicing, repair, and/or storage of <RAIL_WAGON>s and related <EQUIPMENT>; railway storage repair facility.

951

IR

[FACC, Annex B, BFC:26]

RAILWAY_SWITCH

A <DEVICE> integrated with a <RAILWAY_TRACK> with which the rails may be switched to permit access to another <RAILWAY_TRACK>.

952

PR

[FACC, Annex A: AN080]

RAILWAY_TABLE

A rotating platform with <RAILWAY_TRACK>s used for turning <LOCOMOTIVE_ENGINE>s or <RAIL_WAGON>s; railway table [SOED, "turntable", a].

953

IR

[FACC, Annex A: AN075]

RAILWAY_TRACK

A rail or two parallel rails on which a <TRAIN>, tram, or <RAIL_WAGON> runs; railway track.

954

IR

[S57A, Object: RAILWY]

RAILWAY_TURNTABLE

A <RAILWAY_TABLE>, which may be enclosed within a <STRUCTURE>; railway turntable.

955

PR

[FACC, Annex A: AN075]

RAILWAY_YARD

A <SYSTEM> of <RAILWAY_TRACK>s and associated <STRUCTURE>s that are located within a defined <TRACT> and that provide for loading, unloading, and/or assembling <TRAIN>s; railway yard. A railway yard is also known as a marshalling yard.

956

PR

[FACC, Annex A: AN060]

RAILWAY_YARD_NEXUS

A representation of a <RAILWAY_YARD> as it connects to related <RAILWAY>s; railway yard nexus.

957

RAIL_HEAD

A <LOCATION> that is the furthest point reached by a <RAILWAY> where <EQUIPMENT> and/or <MATERIAL>s are loaded onto or unloaded from <RAIL_WAGON>s; rail-head [SOED, "rail-head", 1]. A rail-head is also known as a rail terminus.

938

IR

[FACC, Annex A: AN065]

RAIL_TRANSFER_POINT

A <LOCATION> where <EQUIPMENT> and/or <MATERIAL>s may be loaded onto or unloaded from a <RAIL_WAGON>; rail transfer point.

939

IR

[FACC, Annex A: AN065]

RAIL_WAGON

A <GROUND_VEHICLE> that is usually not self-propelled and that travels on a <RAILWAY_TRACK>; rail wagon. In the US, a rail wagon is known as a railroad car.

940

RAIN

<PRECIPITATION> of <PARTICLE>s of liquid <WATER> either in the form of drops of more than 0,5 millimetres in <<OUTSIDE_DIAMETER>> or in the form of widely scattered drops; rain.

958

PR

[WMO182, R0730, "rain"]

RAIN_REGION

A <REGION> in which <RAIN> is falling.

959

RAMP

An inclined plane, usually man-made, for moving between two levels; ramp.

960

PR

[FACC, Annex A: AL195]

RAMPART

A defensive <WALL>, which is sometimes equipped with <FIELD_ARTILLERY>, that is built to defend a <FORT> or a similar <DEFENSIVE_POSITION>; rampart. A rampart is also known as a bastion.

961

PR

[FACC, Annex A: AH010]

RANGER_STATION

A <BUILDING> housing a warden employed to maintain and protect a <FOREST> or other natural <PLANETARY_SURFACE_REGION>; ranger station.

962

IR

[FACC, Annex B, BFC:14]

RAPID

A steep descent in a <WATERCOURSE> causing a swift <WATER_CURRENT>; rapid [SOED, "rapid", 1].

963

IR

[FACC, Annex A: BH120]

RAY_PATH

An imaginary <LINE> along which energy associated with a <LOCATION> on a wave front moves; ray path.

964

IR

[SP35, "ray path"]

RECONNAISSANCE_HELICOPTER

A <HELICOPTER> designed or designated for reconnaissance operations.

965

RECONNAISSANCE_WINGED-
_AIRCRAFT

A winged <AIRCRAFT> designed or designated for reconnaissance operations.

966

RECREATIONAL_FACILITY

A <FACILITY> used for recreation; recreational facility.

967

RECREATIONAL_PIER

A <PIER> used for recreational purposes and not intended as a berthing place for <VESSEL>s.

968

PR

[FACC, Annex A: AK190]

RECYCLING_SITE

A <REGION> and/or <SITE> engaged in the wrecking, dismantling, storage, recycling, and/or resale of discarded or scrap products.

969

PR

[FACC, Annex A: AB010]

REEF

An elevation of <ROCK> or <CORAL> at or near enough to the <WATERBODY_SURFACE> to be a danger to surface <VESSEL>s; reef.

970

PR

[FACC, Annex A: BD120]

REFORMATORY_BUILDING

A <BUILDING> used for the discipline, reformation, and training of young and/or first offenders; reformatory building.

971

REFORMATORY_FACILITY

A <FACILITY> including one or more <REFORMATORY_BUILDING>s; reformatory facility.

972

REFUELLING_TRACK

A specific <AIR_TRANSPORTATION_ROUTE> designated for channelling the flow of air traffic as necessary for the purpose of refuelling; refuelling track.

973

IR

[FACC, Annex B, AUB: 27]

REFUGEE_COMPOUND

A <FACILITY>, which is usually temporary, constructed to house groups of <HUMAN>s fleeing from their communities in search of refuge (for example: from war, political oppression, and/or religious persecution); refugee compound.

974

REFUSE_BIN

A <CONTAINER> that: is of several cubic metres capacity; is used for the collection of refuse; and is designed to be hoisted and emptied into a specially equipped <TRUCK> or, occasionally, hauled away; refuse bin.

975

REGION

A usually contiguous subset of the environment that may include <TERRAIN>, a <WATERBODY>, the <ATMOSPHERE>, and/or <SPACE>; region.

976

REGIONAL_PARK

A significant <TRACT> set aside for public use that generally has few or no <BUILDING>s, is located away from <BUILT_UP_REGION>s, and is maintained for recreational and ornamental purposes; regional park.

978

REGION_PROPERTY_SET

A <PROPERTY_SET> describing a <REGION>.

977

REGULATED_LINE

A <BOUNDARY> established to regulate matters between nations or groups over a specific territory; regulated line. EXAMPLES Mandate line, convention line.

979

PR

[FACC, Annex A: FA050]

RELATED_OBJECT_SET

A <NON_EMPTY_SET> of related <OBJECT>s.

980

RELATIVE_DISPLACEMENT-
_LINE

A <LINE> connecting <LOCATION>s having a constant relative vertical offset from the <TERRAIN>; relative displacement line.

981

RELIGIOUS_COMMUNITY

A <NON_EMPTY_SET> of <DWELLING>s, <BUILDING>s, and/or other <STRUCTURE>s that houses a community of <HUMAN>s under religious vows; religious community. EXAMPLES <CONVENT>, <MONASTERY>.

982

REPAIR_BUILDING

A <BUILDING> used for restoring broken and/or damaged goods (for example: <EQUIPMENT>) to sound condition; repair building.

983

IR

[FACC, Annex B, BFC:124]

REPAIR_FACILITY

A <FACILITY> including one or more <REPAIR_BUILDING>s; repair facility.

984

REPTILE

A <VERTEBRATE> of the class Reptilia, the members of which are characterized by scaly impermeable skin, poikilothermy, and oviparous (or ovoviviparous) reproduction; reptile [SOED, "reptile", 1]. EXAMPLES Snake, lizard, turtle, crocodile.

985

RESERVE

A <REGION> set apart by a governmental body, institution, or individual for a special purpose; reserve [SOED, "reservation", 7.a]. A reserve is also known as a reservation.

986

RESERVOIR

A <LOCATION> where anything is collected and stored, generally in large quantity; especially a pond, <LAKE>, or <GEOGRAPHIC_BASIN>, either natural or artificial, for the storage, regulation, and control of <WATER>; reservoir.

987

PR

[S32, "reservoir"]

RESERVOIR_NEXUS

A representation of a <RESERVOIR> as it connects to related <RIVER_NEXUS>s; reservoir nexus.

988

RESIDENTIAL_REGION

A <REGION> of <BUILDING>s primarily devoted to housing a population, as well as providing a variety of supporting services (for example: a <POST_OFFICE>, a grocery store, a dry cleaners, a florist, a <RESTAURANT>, and/or a small <RETAIL_FACILITY>); residential region.

989

RESTAURANT

A <BUILDING> or outdoor <SITE> where meals are served to the public; restaurant [AHD, "restaurant"].

990

RETAIL_FACILITY

A <FACILITY> that is used for retail (for example: for the sale of goods or commodities in small quantities directly to consumers); retail facility.

991

REVERBERATION

Sound waves scattered back towards their source from an acoustically reflective <SURFACE> or volume; reverberation.

992

IR

[SP35, "reverberation"]

REVETMENT

A <BARRIER> protecting a <RAMPART> or <WALL>; revetment [SOED, "revetment", 2].

993

IR

[FACC, Annex A: GB050]

RICE_FIELD

A <TRACT> that is periodically covered with <WATER> and is used for growing rice; rice field.

994

PR

[FACC, Annex A: BH135]

RIDGE

Relatively high <TERRAIN> formed as a long and narrow crest that is surrounded by lower <TERRAIN>; ridge.

995

[SOED, "ridge", 2.a]

RIDGE_LINE

A <LINE> delineating the top of a <RIDGE>; ridge line.

996

PR

[FACC, Annex A: CA020]

RIG

A <SUPERSTRUCTURE> fitted for drilling or lifting operations for extraction and/or exploitation of natural resources; rig.

997

IR

[FACC, Annex A: AA040]

RIME

A white or milky and opaque granular deposit of <ICE> formed by the rapid freezing of supercooled drops of <WATER> as they impinge upon an exposed <OBJECT>; rime. It is denser and harder than <HOAR_FROST>, but lighter, softer, and less transparent than <ICE_GLAZE>.

998

IR

[GMET, "rime"]

RIPRAP

A loose assemblage of broken <STONE>s or similar <MATERIAL> that is erected along a <WATERBODY> or on soft <TERRAIN> as either a foundation or to protect the underlying <SURFACE> from erosion; riprap.

1000

IR

[FACC, Annex A: BB225]

[SOED, "riprap", A.2]

RIP_CURRENT

A strong, narrow, surface <WATER_CURRENT> flowing away from a <SHORELINE>; rip current.

999

IR

[SP35, "rip current"]

RIVER

A natural flowing <WATERCOURSE>; river. A small river is also known as a stream.

1001

IR

[S57A, Object: RIVERS]

RIVER_BANK

The <WATERBODY_BANK> of a <RIVER>.

1002

IR

[FACC, Annex A: BH141]

RIVER_GAUGING_STATION

A <DEVICE> and support <STRUCTURE>s that monitors flow in a <RIVER>; river gauging station.

1003

IR

[FACC, Annex A: BI070]

RIVER_NEXUS

A representation of one or more <RIVER>s; river nexus.

1004

RIVER_ROUTE

The <WATERBODY_ROUTE> in a <RIVER> suitable for the largest allowed <VESSEL>s.

1005

PR

[FACC, Annex A: BH501]

RIVER_VANISHING_POINT

The <LOCATION> at which a <RIVER> passes into the <TERRAIN>; river vanishing point.

1006

PR

[FACC, Annex A: BH145]

ROAD

A <LAND_TRANSPORTATION_ROUTE> maintained for use by <MOTOR_VEHICLE>s; road.

1007

IR

[FACC, Annex A: AP030]

[SOED, "road", 4.a]

ROADSIDE_REST_STOP

A <TRACT> adjacent to a <ROAD> usually having facilities for <HUMAN>s and/or <MOTOR_VEHICLE>s; roadside rest stop.

1011

IR

[FACC, Annex A: AQ135]

ROAD_INTERCHANGE

A connection designed to provide traffic access from one <ROAD> to another; road interchange.

1008

PR

[FACC, Annex A: AP020]

ROAD_MARKINGS

A symbol or group of symbols displayed as a marking on the <SURFACE> of a <ROAD> (for example: parking space markings, <SPEED_HUMP> markings, and/or <CENTRE_LINE>s) as a <TRAFFIC_CONTROL_DEVICE>.

1466

[MUTCD, 3, "Markings"]

ROAD_NEXUS

A representation of one or more <ROAD>s, especially in a <BUILT_UP_REGION>; road nexus.

1009

ROAD_ROUTE_MARKER

A <DISPLAY_SIGN> used to designate a <ROAD>; route marker.

1010

IR

[FACC, Annex A: AQ119]

ROCK

A hard mineral <MATERIAL> that occurs in bulk as part of a <PLANET> and is either exposed at the <PLANETARY_SURFACE> or located underneath; rock [SOED, "rock", n.1.3].

1012

IR

[FACC, Annex A: BD130]

ROCKY_LANDMARK

An isolated rocky formation or single large mass of <ROCK> that is located in its entirety above the high water mark of a <WATERBODY_SURFACE>, that is conspicuous and would appear to a mariner as a single <LOCATION> on <LAND>, and that would be appropriate for use in marine navigation; rocky landmark.

1015

PR

[FACC, Annex A: DB161]

ROCKY_OUTCROP

That part of a rock formation that is exposed at the <SURFACE> of the <TERRAIN>, where most of the formation is covered by overlying <MATERIAL>; rocky outcrop [S32, "outcrop" and "rock", 1], [DESCI, "outcrop"]. A rocky outcrop may be naturally protruding or erosionally exposed.

1016

IR

[FACC, Annex A: DB160]

[SOED, "outcrop", noun, 1]

ROCK_DROP

A massive assemblage of <MATERIAL>, usually in the form of large concrete blocks and/or cylinders, suspended above or beside a <LAND_TRANSPORTATION_ROUTE>, ready to be activated as a potential <BARRIER>; rock drop.

1013

ROCK_SHED

A <PROTECTION_SHED> against slides of <ROCK>; rock shed.

1014

IR

[FACC, Annex A, AL210]

RODENT

A <MAMMAL> of the order Rodentia, the members of which are characterized by strong continuously-growing incisor teeth and no canines; rodent [SOED,"rodent", A]. EXAMPLES Rat, mouse, squirrel, vole, beaver.

1017

ROLLING_BLOCK

A massive assemblage of <MATERIAL> (usually in the form of concrete blocks or cylinders) that is positioned alongside a <LAND_TRANSPORTATION_ROUTE> and is ready to be activated when needed as a potential <BARRIER> to an advancing enemy ground force; rolling block.

1018

IR

[FACC, Annex A: AQ068]

ROOF

The outside upper covering of a <BUILDING>; roof [SOED, "roof", 1.a].

1019

ROOF_ASSEMBLY

A <ROOF> and its structural support; roof assembly.

1020

ROOM

An interior portion of a <BUILDING> that is divided off by <BUILDING_COMPONENT>s (for example: <WALL>s, <ROOM_CEILING>s, room <FLOOR>s, and/or partitions); room [SOED, "room", 8.a].

1021

ROOM_CEILING

The overhead inside lining or suspended undercovering of a <ROOM>; room ceiling [SOED, "ceiling", 4].

1022

ROUNDHOUSE

A circular <BUILDING> containing a <RAILWAY_TURNTABLE>; roundhouse [AHD, "roundhouse", 1].

1023

ROUTE

A way or course of (especially regular) travel from one <LOCATION> to another <LOCATION>; route [SOED, "route", 1a.].

1024

IR

[FACC, Annex A: GA045, FC165]

ROUTE_COMPONENT

A <COMPONENT> of a <ROUTE>.

1025

ROUTE_CONSTRICTION

A <LOCATION> where a <ROUTE> narrows from its normal <<WIDTH>>; route constriction.

1026

IR

[FACC, Annex A, AQ058]

ROUTE_EXPANSION

A <LOCATION> where a <ROUTE> widens beyond its normal <<WIDTH>>; route expansion.

1027

IR

[FACC, Annex A, AQ058]

ROUTE_LANE

A <COMPONENT> of a <TRANSPORTATION_ROUTE> that is used to segregate the flow of <VEHICLE>s according to <<SPEED>> or intended <DIRECTION>, and has enough <<WIDTH>> to pass a single file of <VEHICLE>s; route lane [SOED, "lane", 2.d].

1487

ROUTE_LANE_LAND

A <COMPONENT> of a <LAND_TRANSPORTATION_ROUTE> that is typically designated by painted lines, is used to segregate the flow of <GROUND_VEHICLE>s according to <<SPEED>> or intended <DIRECTION>, and has enough <<WIDTH>> to pass a single file of <GROUND_VEHICLE>s; route lane land [SOED, "lane", 2.d].

1028

ROUTE_SHOULDER

A <TERRAIN_STRIP> along either side of and adjacent to a <ROAD> or <RUNWAY> and not normally used by <MOTOR_VEHICLE>s or <AIRCRAFT> but provided as an allowable margin in case of emergencies; route shoulder.

1029

PR

[FACC, Annex A: GB057]

ROUTE_WIDTH_CHANGE

A <LOCATION> where a <ROUTE> narrows or expands in <<WIDTH>>; route width change.

1030

IR

[FACC, Annex A: AQ058]

ROW_HOUSE

One of a series of essentially identical residential <BUILDING>s situated side by side and sharing a common <WALL>; row house.

1031

RUBBLE

The rubbish of decayed or demolished <STRUCTURE>s, especially including fragments of brick or of <ROCK>; rubble [SOED, "rubble", 1].

1032

RUINS

The deteriorated remains of an unspecified <STRUCTURE>; ruins.

1033

PR

[FACC, Annex A: AL200]

RUNWAY

A defined rectangular <TRACT> on an <AIRPORT>, prepared for the landing and take-off of <AIRCRAFT>; runway [IAN14, "runway"].

1035

PR

[FACC, Annex A: GB055]

RUNWAY_APPROACH_OIS

An imaginary air navigation OIS consisting of an inclined plane, symmetrical about the centre-line of the <RUNWAY>, beginning 60,96 metres (200 feet) outward of the <RUNWAY_ENDPOINT>, at the <<TERRAIN_ELEVATION>> of the <RUNWAY_ENDPOINT>, and extending for 12 903,04 metres (42 332 feet, or 7 nautical miles minus 200 feet of <RUNWAY_PRIMARY_OIS>); runway approach OIS. The slope of this <SURFACE> is 50 to 1 along the centre-line of the <RUNWAY> extended until it reaches a height of 152,4 metres (500 feet) above the <<TERRAIN_ELEVATION>> of the <RUNWAY_ENDPOINT> with the lowest <<TERRAIN_ELEVATION>> on the <AIRPORT>. It then continues horizontally to a point 12 964 metres (42 532 feet or 7 nautical miles) from the <RUNWAY_ENDPOINT>. The <<WIDTH>> of this <SURFACE> at the <RUNWAY_ENDPOINT> is the same as the <RUNWAY_PRIMARY_OIS>, it flares uniformly, and the <<WIDTH>> at 12 964 metres (42 532 feet) distance is 4 236,4 metres (13 899 feet).

1036

PR

[FACC, Annex A: GA071]

RUNWAY_CONICAL_OIS

An imaginary air navigation OIS extending from the periphery of the <RUNWAY_INNER_HORIZONTAL_OIS> outward and upward at a slope of 20 to 1 for a horizontal distance of 2 133,6 metres (7 000 feet) to a height of 152,4 metres (500 feet) above the height of the lowest height <RUNWAY_ENDPOINT> and 4 419,6 metres (14 500 feet) from the centre-line of the <RUNWAY>; runway conical OIS.

1037

PR

[FACC, Annex A: GA074]

RUNWAY_CONICAL_OUTER-
_HORIZONTAL_TRANSITIONAL-
_OIS

An imaginary air navigation OIS connecting the side of the <RUNWAY_APPROACH_OIS> to the sides of both the <RUNWAY_CONICAL_OIS> and <RUNWAY_OUTER_HORIZONTAL_OIS>; runway conical outer horizontal transitional OIS. This triangular <SURFACE> extends outward, perpendicular to the extended centre-line of the <RUNWAY> from the edges of the <RUNWAY_APPROACH_OIS>, at a 7 to 1 slope. The slope of this <SURFACE> is referenced to the centre-line of the <RUNWAY>.

1038

PR

[FACC, Annex A: GA076]

RUNWAY_DISPLACED_THRESHOLD

The designated beginning of the portion of a <RUNWAY> usable for landing that is located at a point on the <RUNWAY> other than the designated <RUNWAY_ENDPOINT>, and typically exists at each end of the <RUNWAY>; runway displaced threshold.

1039

PR

[FACC, Annex A: GB090]

RUNWAY_ENDPOINT

One of the <LOCATION>s at each end of the centre-line of a <RUNWAY>; runway endpoint.

1040

PR

[FACC, Annex A: GB056]

RUNWAY_INNER_HORIZONTAL-
_OIS

An imaginary air navigation OIS defined by two half circles centred on the <RUNWAY_ENDPOINT>s and joined by tangents; runway inner horizontal OIS. The <<RADIUS>>s of the half circles are 2 286 metres (7 500 feet) and the tangents are parallel to the centre-line of the <RUNWAY> at a distance of 2 286 metres (7 500 feet). This <SURFACE> extends horizontally outward from the periphery of the <RUNWAY_PRIMARY_APPROACH_TRANSITIONAL_OIS> at a <<TERRAIN_ELEVATION>> of 45,7 metres (150 feet) above the <<TERRAIN_ELEVATION>> of the <RUNWAY_ENDPOINT> of lowest <<TERRAIN_ELEVATION>>.

1041

PR

[FACC, Annex A: GA073]

RUNWAY_MARKINGS

A symbol or group of symbols (for example: threshold markings, runway side stripes, and/or <CENTRE_LINE>s) displayed on the surface of a <RUNWAY> to convey aeronautical information.

1042

PR

[IAN4, 1.1, "marking"]

RUNWAY_NEXUS

A representation of one or more <RUNWAY>s; runway nexus.

1043

RUNWAY_OUTER_HORIZONTAL-
_OIS

An imaginary air navigation OIS consisting of a horizontal plane, located 152,4 metres (500 feet) above the <<TERRAIN_ELEVATION>> of the <RUNWAY_ENDPOINT> with the lowest <<TERRAIN_ELEVATION>>, extending outward from the outer periphery of the <RUNWAY_CONICAL_OIS> for a horizontal distance of 8 544,2 metres (28 032 feet) reaching a distance of 19 963,8 metres (42 532 feet) from the centre-line of the <RUNWAY>; runway outer horizontal OIS.

1044

PR

[FACC, Annex A: GA075]

RUNWAY_OVERRUN

In military aviation exclusively, a stabilized or paved <TRACT> immediately beyond the end of a <RUNWAY>, of the same <<WIDTH>> as the <RUNWAY> plus <ROUTE_SHOULDER>s, centred on the extended centre-line of the <RUNWAY>; runway overrun.

1045

IR

[F7110.65, "runway overrun"]

RUNWAY_PRIMARY_APPROACH-
_TRANSITIONAL_OIS

An imaginary air navigation OIS connecting the sides of the <RUNWAY_PRIMARY_OIS> and <RUNWAY_APPROACH_OIS> to the <RUNWAY_INNER_HORIZONTAL_OIS>; runway primary approach transitional OIS. This <SURFACE> extends outward, perpendicular to the centre-line of the <RUNWAY>, from the edges of the <RUNWAY_PRIMARY_OIS>, at a slope of 7 to 1, to a <<WIDTH>> of 320 metres (1 050 feet) and a <<TERRAIN_ELEVATION>> of 45,7 metres (150 feet) above the <<TERRAIN_ELEVATION>> of the <RUNWAY_ENDPOINT> of lowest <<TERRAIN_ELEVATION>>.

1046

PR

[FACC, Annex A: GA072]

RUNWAY_PRIMARY_OIS

An imaginary air navigation OIS that is longitudinally centred on a <RUNWAY>, equal to the <<LENGTH>> of the <RUNWAY> plus 304,8 metres (1 000 feet) on each end, and of a <<WIDTH>> of 609,6 metres (2 000 feet); runway primary OIS.

1047

PR

[FACC, Annex A: GA070]

RUNWAY_RADAR_REFLECTOR

A <DEVICE>, normally placed near the threshold of a <RUNWAY>, used for reflecting radar signals; runway radar reflector.

1048

PR

[FACC, Annex A: GB060]

RUNWAY_STOPWAY

A <TRACT> beyond the take-off <RUNWAY_ENDPOINT> that is designated as able to support an <AIRCRAFT> during an aborted take-off; runway stopway.

1049

PR

[FACC, Annex A: GB045]

RUNWAY_TOUCHDOWN_ZONE

The first 914,4 metres (3 000 feet) of a <RUNWAY> beginning at the <RUNWAY_DISPLACED_THRESHOLD>; runway touchdown zone [F7110.65, "TOUCHDOWN ZONE"].

1050

PR

[FACC, Annex A: GB046]

RUN_OFF

<WATER> that is carried off a <TRACT> by <RIVER>s after having fallen as <RAIN>; run-off [SOED, "run-off", 2.b].

1034

SABKHA

A natural <TERRAIN_DEPRESSION> in an arid or semi-arid <TERRAIN_SURFACE_REGION> the bed of which is covered with salt encrusted clayey <SOIL>; sabkha.

1051

PR

[FACC, Annex A: BH160]

SAFARI_PARK

An <ANIMAL_PARK> in which wild <NON_HUMAN_ANIMAL>s are allowed to roam free in an environment designed to resemble their natural habitat and are observed by visitors riding through the <PARK> in <MOTOR_VEHICLE>s; safari park.

1052

SAFETY_FAIRWAY

A <WATERBODY_ROUTE> established for the safe passage of <VESSEL>s through either offshore <PETROLEUM_FIELD>s or <MINEFIELD>s; safety fairway.

1053

PR

[FACC, Annex A: FC170]

SAILING_VESSEL

A <WATER_SURFACE_VESSEL> that is primarily moved by the force created by the effect of the <WIND> on attached sails; sailing vessel. A sailing vessel is also known as a sailing ship.

1054

[SOED, "sailing vessel"]

SALT_EVAPORATOR

A shallow <RESERVOIR>, which is normally man-made, that is used for the natural evaporation of <WATER> for the collection of salt; salt evaporator.

1055

PR

[FACC, Annex A: BH155]

SALT_PAN

A flat <TRACT> covered by natural salt deposits on its <SURFACE>; salt-pan.

1056

IR

[S57A, Object: SLTPAN]

SANATORIUM

A <FACILITY> that houses an institution for the treatment of chronic diseases or for medically supervised recuperation; sanatorium.

1057

[SOED, "sanatorium", 1]

SAND

A <MATERIAL> consisting of fine <PARTICLE>s of <ROCK> (mainly siliceous); sand [SOED, "sand", 1.a].

1058

SAND_BAR

A <RIDGE>, or succession of <RIDGE>s, of <SAND>, extending across the mouth of a <RIVER> or <HARBOUR>; sand bar [S32, "bar", 1]. A sand bar is formed by the action of <TIDE>s and <WATER_CURRENT>s, and may obstruct navigation.

1059

[APDS, "sand-bar"], [DESCI, "bar", 2.a], [SOED, "sand bar"]

SAND_DUNE

A mound or <RIDGE> of loose <SAND> formed by the <WIND>; sand dune [SOED, "dune"].

1060

IR

[FACC, Annex A: DB170]

SAND_DUNE_REGION

A <TRACT> covered by <SAND_DUNE>s; sand dune region.

1061

IR

[FACC, Annex A: DB170]

SAND_LINE

A <LINE> that delineates a <TRACT> of <SAND> from an adjacent <WATERBODY> and that is covered and uncovered depending on the <<ELEVATION>> of its <SURFACE> and the current <<ELEVATION>> of the <WATERBODY_SURFACE>; sand line.

1062

PR

[FACC, Annex A: BE022]

SATELLITE

A <CELESTIAL_BODY> that revolves around a larger <CELESTIAL_BODY>, usually a <PLANET> or <DWARF_PLANET>; satellite [SOED, "satellite", A.2.a].

1063

SATELLITE_GROUND_STATION

A <STRUCTURE> with an associated <AERIAL> used for tracking, control, transmission, and/or reception of signals from <ARTIFICIAL_SATELLITE>s; satellite ground station.

1064

IR

[FACC, Annex B, BFC:107]

SATURN

The primary <PLANET> of the <SUN> that is sixth in distance from the <SUN>, with an orbital mean <<RADIUS>> of approximately 1 429,4 million kilometres; Saturn.

1065

IR

SAWMILL

A <BUILDING> where <LOG>s are processed into lumber; sawmill.

1066

[SOED, "sawmill"]

SCENIC_LOOKOUT

A <LOCATION>, which is generally elevated, with facilities for observing the scenery; scenic lookout.

1067

PR

[FACC, Annex A: AK121]

SCHOOL_BUILDING

A <BUILDING> used for instruction; school building.

1068

[SOED, "school", n1.I.1e]

SCIENCE_BUILDING

A <BUILDING> supporting scientific experimentation or research, including scholarly investigation or inquiry, intended to ultimately result in commercial products; science building.

1069

IR

[FACC, Annex B, BFC:59]

SCIENCE_FACILITY

A <FACILITY> including one or more <SCIENCE_BUILDING>s; science facility.

1070

SCRAPYARD

A <TRACT> used to collect scrap metal for reprocessing; scrapyard.

1071

[SOED, "scrapyard"]

SCRUB_LAND

A <TRACT> covered by uncultured <PLANT>s that may have some woody tissue; scrub land.

1072

PR

[FACC, Annex A: EB015]

SEA

A salty <WATERBODY> more or less confined by continuous <LAND> or chains of <ISLAND>s and forming a distinct <REGION>; sea.

1073

IR

[BOWD, "GLOSSARY OF MARINE NAVIGATION", "sea", 1]

SEAL_POD

A <POD> of seals.

1074

SEAMOUNT

A <WATERBODY_FLOOR_PINNACLE> rising 1 000 metres or more from the <WATERBODY_FLOOR> of a <SEA> or <OCEAN> and of limited extent across its summit; seamount.

1075

IR

[SP35, "seamount"]

SEAPLANE

An <AIRCRAFT> capable of taking off and landing on a <WATERBODY_SURFACE>; seaplane [SOED, "seaplane"].

1076

SEAPLANE_BASE

An <AERODROME> intended to be used either wholly or in part for the arrival, departure, and movement of <SEAPLANE>s on a <WATERBODY_SURFACE>; seaplane base.

1077

PR

[FACC, Annex A: GB065]

SEAPLANE_RUN

A designated <WATERBODY_SURFACE_REGION> outlined by visual markings used by <SEAPLANE>s to land and take off; seaplane run.

1078

PR

[FACC, Annex A: GB070]

SEAWALL

A <WALL> built to protect a <SHORE> from erosion; seawall.

1079

PR

[FACC, Annex A: BB230]

SEAWEED

A <REGION> of large green, brown, or dark red <VEGETATION> (for example: kelp and/or seaweed) growing in a salt <WATER>, typically cold, environment.

1080

IR

[FACC, Annex A: BD060]

SECCHI_DISK

A circular material <OBJECT>, usually painted flat white, that is used to measure (subjectively) the <<DEPTH_BELOW_WATERBODY_SURFACE>> to which a <HUMAN> can see into a <WATERBODY>, in order to measure the transparency of the <WATER>; Secchi disk.

1437

IR

[SECCHI]

SEDIMENT

Unconsolidated <MATERIAL> composed of <PARTICLE>s deposited from either a suspension in <AIR>, <ICE>, or <WATER> or from solution in <WATER>; sediment [SOED, "sediment", 3].

1081

SELF_PROPELLED_ARTILLERY

Self-propelled <FIELD_ARTILLERY>.

1082

SEMINARY

A <FACILITY> used as a school, especially a theological school, for the training of priests, ministers, or rabbis; seminary [AHD, "seminary", 1.a].

1083

SENIOR_CITIZENS_HOME

A residential <BUILDING> housing a group of elderly <HUMAN>s; senior citizens home.

1084

IR

[FACC, Annex B, BFC:109]

SENSOR

A <DEVICE> that detects or measures some condition or property and records, indicates, or otherwise responds to the information received; sensor [SOED, "sensor"].

1443

SET

A possibly empty collection of distinct <OBJECT>s; set.

1085

SETTLEMENT

A concentration of <DWELLING>s that is smaller in size than a <TOWN>; settlement. A settlement is also known as a village.

1086

IR

[FACC, Annex A: AL105]

SETTLING_POND

A small <RESERVOIR> where solid matter is precipitated from a liquid by evaporating or settling; settling pond.

1087

PR

[FACC, Annex A: AC030]

SEWER

An artificial channel or conduit, usually covered and under the <TERRAIN>, for carrying off and discharging waste, storm <WATER>, and/or refuse from <BUILDING>s and <BUILT_UP_REGION>s; sewer [SOED, "sewer", 2.a].

1088

SEWER_LINE

A <PIPELINE> for conveying sewage; sewer line.

1467

SHADOW

A <REGION> of partial darkness produced by a material <OBJECT> intercepting rays of light (for example: the direct rays of the <SUN>); shadow.

1089

[SOED, "shadow", A.I.1]

SHANTY_TOWN

A <TOWN>, or a section of a <TOWN>, consisting chiefly of shacks; shanty town.

1090

[SOED, "shanty town"]

SHARP_CURVE

A curve along a <LAND_TRANSPORTATION_ROUTE> that may cause restrictions in traffic of <GROUND_VEHICLE>s; sharp curve.

1091

IR

[FACC, Annex A: AQ118]

SHEAR_LEGS

Two or three spars standing on end and lashed together aloft that serve as a derrick or tripod to lift heavy weights, to step or lower <MAST>s or stacks, or for similar marine purposes; shear legs.

1094

PR

[FACC, Annex A: AF041]

SHEAR_WALL

The <WALL> of the <EXCAVATION> within a <QUARRY> or <EXTRACTION_MINE>; shear wall.

1092

PR

[FACC, Annex A: AA011]

SHED

A relatively small <BUILDING>, which usually has one or more open sides, that is typically used for storage; shed.

1093

PR

[FACC, Annex A: AL019]

SHELLFISH_BED

A <REGION> in a shallow <WATERBODY> where shellfish breed and may be cultivated; shellfish bed.

1095

PR

[FACC, Annex A: BB180]

SHELTER

A <STRUCTURE> for protecting <EQUIPMENT> or <HUMAN>s; shelter.

1096

SHIPYARD

A <FACILITY> where <VESSEL>s are built or repaired; shipyard.

1097

IR

[S32, "shipyard"]

SHOAL

A <MARINE_REGION> over which there is a <<WATER_DEPTH>> of twenty metres or less, and which is composed of unconsolidated <MATERIAL>, except <CORAL> or <ROCK>; shoal.

1098

PR

[S32, "shoal (n.)"]

SHOPPING_CENTRE

A group of <RETAIL_FACILITY>s, often including <RESTAURANT>s and other businesses, having a common <VEHICLE_LOT>; shopping centre [AHD, "shopping center"].

1099

SHORE

The narrow <TERRAIN_STRIP> in immediate contact with a <WATERBODY>, including the <TRACT> between high and low water <LINE>s; shore.

1100

PR

[S32, "shore"]

SHORELINE

The <LAND_WATER_BOUNDARY> between the <SHORE> or <BEACH> and a defined mean water level; shoreline. EXAMPLE The high water shoreline would be the <LAND_WATER_BOUNDARY> with mean high water.

1103

SHORELINE_CONSTRUCTION

A fixed (not afloat) artificial <STRUCTURE> attached to a <SHORE> and normally used for berthing and protection of <VESSEL>s; shoreline construction.

1104

PR

[S57A, Object: SLCONS]

SHORELINE_LANDING_PLACE

A <REGION> on a <SHORE> where landing from a <WATERBODY> is possible; shoreline landing place.

1105

IR

[S57A, Object: LNDPLC]

SHORELINE_LANDING_STAIR

A <STAIR> on a <SHORE> constructed to connect between the <LAND> and the <WATERBODY> on different levels; shoreline landing stair.

1106

PR

[S57A, Object: LNDSTS]

SHORE_PROTECTION_STRUCTURE

A <STRUCTURE> that protects a <HARBOUR> or <SHORE> from the forces of the sea; shore protection structure. EXAMPLES <BREAKWATER>, <GROIN>.

1101

PR

[FACC, Annex A: BB040]

SHORE_REVETMENT

A <REVETMENT> placed along a <SHORE> to stabilize the <WATERBODY_BANK> and to protect it from the erosive action of flowing <WATER>.

1102

IR

[FACC, Annex A: BB226]

SHOVEL

An <EXCAVATING_MACHINE> that moves <MATERIAL>s by a scooping action; shovel.

1107

SHRIMP_BED

A naturally occurring, significant grouping of shrimp that persists over a significant period; shrimp bed.

1108

SHRINE

A <WORSHIP_PLACE> or place for devotion; shrine [SOED, "shrine", 6].

1109

SHRUB

A low growing, multi-stemmed woody <PLANT>; shrub [AHD, "shrub"].

1110

SIDEWALK

A paved pedestrian walkway, usually made of concrete, typically located adjacent and parallel to a <ROAD>; sidewalk.

1111

[SOED, "sidewalk", 2]

SIPHON

A <PIPE> used for conveying liquid from one level to a lower level, using the liquid pressure differential to force a column of the liquid up to a higher level before it falls to the outlet; siphon [SOED, "siphon", 2.a].

1112

IR

[FACC, Annex A: AJ020]

SITE

The <LOCATION> of an actual or planned <NON_EMPTY_SET> of <STRUCTURE>s; site [AHD, "site", 1].

1113

SKI_JUMP

A <RAMP> used for ski jumping; ski jump.

1114

PR

[FACC, Annex A: AK150]

SKI_TRACK

A <ROUTE> prepared for skiing; ski track.

1115

PR

[FACC, Annex A: AK155]

SKYLIGHT

A small <APERTURE> filled in with a transparent or translucent <MATERIAL> (for example: glass) that admits daylight through a <ROOF> and/or <ROOM_CEILING>; skylight.

1116

[SOED, "skylight", A.2]

SLIPWAY

A <RAMP> for launching and recovering <VESSEL>s; slipway. A slipway is also known as a patent ship.

1117

IR

[S57A, Object: SLIPWY]

SLOPE_REGION

A <TERRAIN_SURFACE_REGION> where the <<TERRAIN_SLOPE>> is within a set range of values.

1118

IR

[FACC, Annex A: DB176]

SLUDGE_GATE

A <DEVICE> used to regulate the flow of sludge from a <SETTLING_POND>; sludge gate.

1119

SLUICE

An open, inclined conduit for <WATER> that is fitted with a <SLUICE_GATE> and may be employed in mine ore washing operations; sluice.

1120

PR

[FACC, Annex A: BI039]

SLUICE_GATE

A <DEVICE> used to regulate the flow of <WATER> in a <SLUICE>; sluice gate.

1121

PR

[FACC, Annex A: BI040]

SMALL_CRAFT_FACILITY

A <FACILITY> with functions or services generally of interest for small craft or pleasure <WATER_SURFACE_VESSEL>s.

1122

PR

[FACC, Annex A: BB201]

SMALL_HAIL

<HAIL> with an <<OUTSIDE_DIAMETER>> less than 0,64 centimetre, which is a form of <ICE_PELLETS>; small hail (US).

1123

IR

[GMET, "small hail"]

SMALL_SOLAR_SYSTEM_BODY

A <SMALL_STAR_SYSTEM_BODY> that is a member of the <SOLAR_SYSTEM>.

1482

SMALL_STAR_SYSTEM_BODY

A <CELESTIAL_BODY>, except a <PLANET>, a <DWARF_PLANET> or a <SATELLITE>, that orbits a <STAR>; small star system body.

1483

IR

[IAUB5]

SMOKE

A visible <NON_AQUEOUS_CLOUD>, <PLUME>, or <PUFF> composed of carbon and other <PARTICLE>s given off by burning or smouldering <MATERIAL>s; smoke [SOED, "smoke", A.1].

1124

SMOKESTACK

A <COMBUSTION_PRODUCT_DISCHARGE_STRUCTURE> consisting of a large, tall <PIPE> which is often free-standing; smokestack [AHD, "smokestack"].

1125

SNAG

A stem or trunk of a <TREE> below a <WATERBODY_SURFACE>; snag.

1126

PR

[FACC, Annex A: BD140]

SNOWFIELD

A <TRACT> covered by <SNOW_GROUND_COVER>; snowfield.

1132

IR

[GMET, "snowfield", 1]

SNOW_GRAINS

<SOLID_PRECIPITATION> of very small opaque white <PARTICLE>s of <ICE> that fall from a <CLOUD> and are fairly flat or elongated with <<OUTSIDE_DIAMETER>>s generally less than 1 millimetre; snow grains. Snow grains are the solid equivalent of <DRIZZLE>.

1127

PR

[WMO182, S1610, "snow grains"]

SNOW_GROUND_COVER

The layer formed by <SNOW_PRECIPITATION> as it accumulates on the <LAND>; snow ground cover.

1128

IR

[GMET, "snow"]

SNOW_PRECIPITATION

<SOLID_PRECIPITATION> composed of white or translucent crystals of <ICE> that are chiefly in complex branch hexagonal form and are often agglomerated into snowflakes; snow precipitation.

1129

IR

[GMET, "snow"]

SNOW_REGION

A <REGION> in which <SNOW_PRECIPITATION> is falling.

1130

SNOW_SHED

A <PROTECTION_SHED> against slides of <SNOW_GROUND_COVER>; snow shed.

1131

IR

[FACC, Annex A, AL210]

SODA_EVAPORATOR

A shallow <RESERVOIR>, normally man-made, used for the natural evaporation of <WATER> for the collection of soda; soda evaporator.

1133

SOIL

A <MATERIAL> composed of fragmented <PARTICLE>s of <ROCK>, decomposed <PLANT>s, <WATER>, and <AIR> that typically comprises a thin top layer of the <LAND>; soil [SOED, "soil", 4].

1134

SOLAR_PANEL

A <NON_EMPTY_SET> of solar cells for converting sunlight into electrical energy or heat; solar panel.

1135

PR

[FACC, Annex A: AD020]

SOLAR_SYSTEM

The <STAR_SYSTEM> containing the <SUN>; solar system.

1136

SOLAR_SYSTEM_ASTEROID

A <STAR_SYSTEM_ASTEROID> in the <SOLAR_SYSTEM>, with an orbit lying chiefly between <MARS> and <JUPITER>.

95

[SOED, "asteroid", A.1]

SOLID_MESH

A <MESH> with a related <MESH_SOLID_SET>; solid mesh.

1137

SOLID_PRECIPITATION

<PRECIPITATION> of <ICE>; solid precipitation.

1138

SOUNDING

A measured <<WATER_DEPTH>> or spot <<WATER_DEPTH>>; sounding.

1141

PR

[S57A, Object: SOUNDG]

SOUNDING_DATUM

The vertical, typically tidal, <SURFACE_DATUM> to which <SOUNDING>s and <<HYDROGRAPHIC_DRYING_HEIGHT>>s are referenced; sounding datum. A sounding datum is usually taken to correspond to a low water stage of the <TIDE>.

1142

IR

[S57A, Attribute: VERDAT]

SOUND_CHANNEL

A horizontal layer in a <WATERBODY> that is bounded by levels at which the <<WATERBODY_SOUND_SPEED>> is greater than at any level within the layer; sound channel.

1139

[PUWS]

SOUND_CHANNEL_AXIS

The alignment axis in a <SOUND_CHANNEL> determined by the <<DEPTH_BELOW_WATERBODY_SURFACE>> at which the minimum <<WATERBODY_SOUND_SPEED>> occurs.

1140

IR

[SP35, "sound channel axis"]

SPACE

The <REGION> extending in all <DIRECTION>s in which all matter lying outside celestial body <ATMOSPHERE>s is located; the near vacuum occupying the <REGION>s between <CELESTIAL_BODY>s; space [SOED, "space", II.12.a].

1143

SPACECRAFT

A <VEHICLE> operating mainly in <SPACE>; spacecraft [SOED, "spacecraft"].

1144

SPACEPORT

A <FACILITY> for the launch, and sometimes the landing, of <SPACECRAFT>; spaceport [SOED, "spaceport"].

1145

SPECIAL_ELECTRONIC_WINGED-
_AIRCRAFT

A winged <AIRCRAFT> designed or designated for special electronic operations.

1146

SPECIAL_OPERATIONS_HELICOPTER

A <HELICOPTER> designed or designated for special operations.

1147

SPECIAL_USE_AIRSPACE

An <AIRSPACE> identified by a delimited <REGION> where activities must be confined because of their nature and/or where limitations may be imposed on <AIRCRAFT> operations not associated with those activities; special use airspace.

1148

IR

[FACC, Annex A: GA015]

SPECIAL_USE_AIRSPACE-
_COMPONENT

A <COMPONENT> of a <SPECIAL_USE_AIRSPACE>.

1149

PR

[FACC, Annex A: GA025]

SPEED_HUMP

A raised strip that is set crosswise into the <SURFACE> of a <ROAD> or <VEHICLE_LOT> and is designed to slow down <GROUND_VEHICLE>s; speed hump.

1468

[SOED, "speed hump"], [AHD, "speed bump"]

SPILLWAY

A passage for surplus <WATER> to run over or around a <DAM>; spillway.

1150

IR

[FACC, Annex A: BH165]

SPORTS_ARENA

An arena with tiered seats or terraces for spectators of athletic or sporting events; sports arena [SOED, "stadium", 3].

1151

IR

[FACC, Annex A: AK160]

SPOT_ELEVATION

A designated <LOCATION> with an <<ELEVATION>>; spot elevation.

1152

PR

[FACC, Annex A: CA030]

SPRING

A natural outflow of <WATER> from below the <LAND>; spring.

1153

PR

[S57A, Object: SPRING]

SPRING_TIDE

A <TIDE> of increased range (or tidal <WATER_CURRENT>s of increased <<WATER_CURRENT_SPEED>>) occurring semi-monthly as the result of the <MOON>being new or full; spring tide [TCG, "spring tides or tidal currents"]. The spring range of <TIDE>is the mean range occurring at the time of spring <TIDE>s and is most conveniently computed from the harmonic constants. It is larger than the mean range where the type of <TIDE> is either semi-diurnal or mixed, and is of no practical significance where the type of <TIDE> is predominantly diurnal.

1154

PR

[S32, "tide(s): spring"]

[SOED, "spring tide", (b)]

STADIUM

A <SPORTS_ARENA> or an <ATHLETIC_FIELD> with tiered seats or terraces for spectators; stadium [SOED, "stadium", 3].

1155

IR

[FACC, Annex A: AK160]

STAIR

A series of fixed steps leading from one level to another, especially such a series leading from one <FLOOR_LEVEL> to another inside a <STRUCTURE>; stair [SOED, "stair", A.I.1].

1156

IR

[FACC, Annex A: AQ150]

STAIR_SET

A <NON_EMPTY_SET> of <STAIR>s connecting three or more <FLOOR_LEVEL>s in an uninterrupted sequence.

1157

STAKE

A small <MARKER> used to identify <WATER_CHANNEL>s or to mark dangers (for example: <STONE>s and/or <SHOAL>s); stake.

1158

PR

[FACC, Annex A: BC080]

STAR

A large, coherent, roughly spherical, gaseous <CELESTIAL_BODY> that is luminous by virtue of internal nuclear reactions; star [SOED, "star", A.I.1].

1159

STAR_SYSTEM

A <STAR> and its family of <PLANET>s, natural <SATELLITE>s, <STAR_SYSTEM_ASTEROID>s, and <COMET>s that are captured by its gravity; star system.

1484

STAR_SYSTEM_ASTEROID

Any of the collection of numerous <SMALL_STAR_SYSTEM_BODY>s that orbit a <STAR> concentrated at a particular distance; star system asteroid [SOED, "asteroid", A.1].

1485

STATIONARY_FRONT

An <ATMOSPHERIC_FRONT> between warm and cold <AIR_MASS>s that is moving at a <<SPEED>> less than 2,575 metres per second (five knots); stationary front.

1160

PR

[WMO182, S2760, "stationary front"]

STEEL_MILL

A <FACILITY> for the production of fabricated structural steel products (for example: girders and/or plates); steel mill.

1161

[SOED, "steel mill", c]

STEEPLE

A <STRUCTURE>, usually topped by a point, that may be erected on the <ROOF> of a <BUILDING>; steeple.

1163

PR

[FACC, Annex A: AL220]

STEEP_GRADE

A stretch along a <LAND_TRANSPORTATION_ROUTE> where the slope is high enough to slow, hinder, or even stop traffic; steep grade.

1162

IR

[FACC, Annex A: AQ120]

STELLAR_BURST_RADIO-
_FREQUENCY_EMISSION

A burst emission from a <STAR> at radio <<WAVELENGTH>>s that often sweep through a range of <<FREQUENCY>>s and last from minutes to days; stellar burst radio frequency emission.

1164

IR

[SEC, "burst"]

[IPS]

STELLAR_ENERGETIC_PARTICLE

An energetic charged <PARTICLE> emanating from a <STAR>; stellar energetic particle. EXAMPLES Electron, proton, alpha <PARTICLE>.

1165

[SEC]

STELLAR_FLUX_RADIO_FREQUENCY-
_EMISSION

A continuous (flux) emission from a <STAR> at radio <<WAVELENGTH>>s; stellar flux radio frequency emission.

1166

[SEC]

STELLAR_WIND

A high-speed stream of <STELLAR_ENERGETIC_PARTICLE>s in <SPACE>; stellar wind.

1167

IR

[SEC, "solar wind"]

STONE

A piece of <ROCK> of a small or moderate size; stone [SOED, "stone", A.1.a]. In the US, a stone is also known as a rock.

1168

STORAGE_BUNKER

A <BUNKER> that is used as a <STORAGE_STRUCTURE>; storage bunker. A storage number is also known as a storage mound.

1169

IR

[FACC, Annex A: AM060]

STORAGE_CONTAINER

A <CONTAINER> used for the storage of solid, liquid, or gaseous <MATERIAL>s; storage container.

1170

IR

[FACC, Annex A: AM011]

STORAGE_DEPOT

A <TRACT> used for the storage of products and/or supplies; storage depot [DFDD, Feature Dictionary: AM010].

1171

IR

[FACC, Annex A: AM010]

STORAGE_PIT

An excavated <STORAGE_STRUCTURE> that is lined by an impermeable <MATERIAL> and surrounded with <SOIL>; storage pit.

1172

STORAGE_STRUCTURE

A <STRUCTURE> intended for storing <MATERIAL>s or products; storage structure.

1173

IR

[FACC, Annex A: AM060]

STORAGE_TANK

A <CONTAINER> used for the storage of liquids or gases; storage tank.

1174

PR

[S57A, Object: TNKCON]

STORM_DRAIN

A drain, usually located on, below, or near transportation <SURFACE>s, designed to provide drainage of <PRECIPITATION>; storm drain.

1469

STRATOPAUSE
F

The top of the <TEMPERATURE_INVERSION_LAYER>, if it exists, that form the upper limit of the <STRATOSPHERE>; stratopause.

1175

PR

[WMO182, S3020, "stratopause"]

STRATOSPHERE
F

The <ATMOSPHERE_REGION> of the <EARTH> extending from the <TROPOPAUSE> to the <STRATOPAUSE> in which the <<AIR_TEMPERATURE>> generally increases with <<HEIGHT_AGL>>; stratosphere.

1176

PR

[WMO182, S3030, "stratosphere"]

STREET

A <ROAD> in a <BUILT_UP_REGION>; street.

1177

STREET_LAMP

A <LIGHT>, generally located on a <POLE>, that illuminates a <ROAD> or a <SIDEWALK>; street lamp [SOED, "street lamp"]. A street lamp is also known as a street light.

1178

STREET_LAMP_POLE

A <POLE> with one or more attached <STREET_LAMP>s.

1470

STRUCTURAL_BEAM

A rigid <STRUCTURAL_MEMBER> designed to carry and transfer transverse loads across space to supporting <COMPONENT>s; structural beam.

1445

IR

[VDARCH, "beam"]

STRUCTURAL_COLUMN

A rigid, relatively slender <STRUCTURAL_MEMBER> designed primarily to support axial, compressive loads applied at the member ends; structural column.

1450

IR

[VDARCH, "column"]

STRUCTURAL_MEMBER

One of the constituent <COMPONENT>s into which a <STRUCTURE> may be resolved by analysis, having a unitary character and exhibiting a unique behaviour under an applied load; structural member.

1471

IR

[VDARCH, "structural member"]

STRUCTURAL_PILE

A <STRUCTURE> consisting of a long, heavy timber or section of steel or concrete that is forced into the <TERRAIN> to serve as a support (for example: for a <PIER>); structural pile.

1179

PR

[S57A, Object: PILPNT]

STRUCTURE

A framework or fabric of assembled material <COMPONENT>s; structure [SOED, "structure", n3].

1180

[APDS, "structure", def. 2]

STRUCTURE_ENTRANCE

A way into a <STRUCTURE>; structure entrance. EXAMPLES <GATE>, <HALLWAY>, <DOOR>.

1181

IR

[FACC, Annex A: AQ090]

[SOED, "entrance", 4]

STRUCTURE_ENTRANCE_AND-
_OR_EXIT

A way into, out of, or both into and out of a <STRUCTURE>; structure entrance and/or exit. EXAMPLES <GATE>, <HALLWAY>, <DOOR>.

1182

IR

[FACC, Annex A: AQ090]

STRUCTURE_EXIT

A way out of a <STRUCTURE>; structure exit [MWCD, "exit", n.3]. EXAMPLES <GATE>, <HALLWAY>, <DOOR>.

1183

IR

[FACC, Annex A: AQ090]

[SOED, "exit", 3]

STRUCTURE_EXTERIOR

The <NON_EMPTY_SET> of <EXTERIOR_WALL>s and <ROOF> (if present) of a <STRUCTURE>.

1184

STRUCTURE_PERIMETER

The perimeter of a <STRUCTURE>.

1185

STUPA

A round, usually dome-shaped, Buddhist <SHRINE> topped with a cupola; stupa [SOED, "stupa"].

1186

SUBMERGED_ROCK_FORMATION

An isolated formation of <ROCK> or a single large mass of <ROCK> that is located in a <WATERBODY> and is typically submerged but possibly projects above the <WATERBODY_SURFACE>.

1187

PR

[FACC, Annex A: BD130]

SUBMERSIBLE_VESSEL

A <VESSEL> capable of operation either on a <WATERBODY_SURFACE> or beneath it; submersible vessel.

1188

SUGAR_CANE

A <TRACT> of Saccharum officinarum; sugar cane [AHD, "sugar cane"].

1189

SUN

The central <STAR> of the <STAR_SYSTEM> containing the <EARTH>; Sun.

1190

[SOED, "sun", 1]

SUNSPOT

A relatively cool and dark appearing <REGION> on the photosphere of the <SUN>; sunspot.

1191

IR

[TASC]

SUPERSTRUCTURE

A substantial <STRUCTURE> resting on something else; superstructure [SOED, "superstructure", 1].

1192

SUPPLIES_AND_EXPENDABLES

A <NON_EMPTY_SET> of <EQUIPMENT> and/or <MATERIAL> that may be consumed or discarded after use; supplies and expendables.

1193

SURF

The belt of nearly continuous, breaking <WATER_WAVE>s along a <SHORE> or over a submerged bank or <SAND_BAR>; surf.

1194

IR

[BOWD, "GLOSSARY OF MARINE NAVIGATION", "surf"]

SURFACE

An outermost, limiting <COMPONENT> of an <OBJECT> that is immediately adjacent to another <OBJECT> (for example: an <ATMOSPHERE> and/or <SPACE>); surface [SOED, "surface", 1.a].

1196

SURFACE_BASED_EM_DUCT

A layer of the <ATMOSPHERE> that is adjacent to the <PLANETARY_SURFACE> of the <EARTH> and in which electromagnetic waves are trapped due to changes in the index of refraction; surface-based electromagnetic duct.

1197

IR

[BATT]

SURFACE_DATUM

A <DATUM> defining a <SURFACE> from which elevations or depths are measured. EXAMPLES <VERTICAL_DATUM>, <SOUNDING_DATUM>.

1198

SURFACE_FISSURE

A narrow fissure, crack, and/or rift in the <TERRAIN> or the overlying <SNOW_GROUND_COVER> or <ICE>; surface fissure.

1199

IR

[FACC, Annex A: DB060]

SURF_ZONE

The <REGION> between the outermost limit of <SURF> and the resulting limit of <WATER_WAVE> uprush on a <SHORE>; surf zone.

1195

PR

[S32, "surf zone"]

SURVEILLANCE_WINGED-
_AIRCRAFT

A winged <AIRCRAFT> designed or designated for surveillance missions.

1200

IR

[JAWA, Type Classifications, Class 1]

SURVEY_MARKER

A <TERRAIN_SURFACE_OBJECT> (for example: a <MARKER>) with a known <LOCATION>; survey marker.

1201

IR

[FACC, Annex A: ZB035]

SWAMP

A seasonally flooded, low-lying <WETLAND> with more woody <PLANT>s than a <MARSH> and better drainage than a <BOG>; swamp [AHD, "swamp", 1a].

1202

IR

[FACC, Annex A: ED020]

SWELL_WAVE

A surface gravity <WATER_WAVE> that is not growing or being sustained any longer by the <WIND> but that was generated by the <WIND> some distance away and is now propagating freely across the <WATERBODY_SURFACE> away from its <REGION> of generation; swell wave.

1203

IR

[GMET, "swell"]

SWEPT_REGION

A <WATERBODY_REGION> that has been determined to be clear of navigational dangers to a specified depth; swept region.

1204

PR

[S57A, Object: SWPARE]

SWIMMING_POOL

A constructed pool used for swimming; swimming pool [SOED, "swimming pool"].

1205

IR

[FACC, Annex A: AK170]

SYNAGOGUE

A <WORSHIP_PLACE> for Jewish worship and religious instruction; synagogue.

1206

SYSTEM

A <NON_EMPTY_SET> of <OBJECT>s arranged or organized for a special purpose and functioning together as a whole; system [SOED, "system", 3].

1207

[J1-02, "system"]

SYSTEMATIC_TREE_PLANTING

A <TRACT> covered by systematic plantings of <TREE>s that yield a product (for example: a fruit and/or a nut).

1208

PR

[FACC, Annex A: EA040]

TABERNACLE

A <CHURCH> that has been specially designated by religious authority; tabernacle.

1209

TABLE

<FURNITURE> consisting of a raised flat top of solid <MATERIAL> (for example, wood or <ROCK>) and used to place material <OBJECT>s on; table [SOED, "table", 13].

1438

TAXIWAY

A defined path on an <AIRPORT> established for the taxiing of <AIRCRAFT> and intended to provide a link between one part of the <AIRPORT> and another; taxiway [IAN14, "taxiway"].

1210

PR

[FACC, Annex A: GB075]

TELECOM_SWITCHING_STATION

A <COMMUNICATION_STATION> housing a <SYSTEM> of switches that establishes connections between individual telecommunication <DEVICE>s; telecom switching station.

1211

IR

[FACC, Annex B, BFC:40]

TELEFERIC

A transportation <SYSTEM> consisting of <LOAD_CABLE>s strung between <PYLON>s on which carrier units (for example: cars or buckets intended to transport <PERSONNEL>, <MATERIAL>, and/or <EQUIPMENT>) are suspended; teleferic. A teleferic is also known as an aerial cableway or aerial tramway.

1212

IR

[S57A, Object: TELPHC]

TELEPHONE

A <DEVICE> for transmitting and receiving speech, sound, and/or electronic data in the form of a signal passed between instruments that are part of a communication <NETWORK>; telephone [SOED, "telephone", A.2].

1473

TELESCOPE

A <DEVICE> used for observing distant <OBJECT>s and/or phenomena; telescope.

1213

PR

[FACC, Annex A: AL141]

TEMPERATURE_INVERSION-
_LAYER

A layer in an <ATMOSPHERE> where the <<AIR_TEMPERATURE>> increases with <<HEIGHT_AGL>>; temperature inversion layer.

1214

PR

[WMO182, T0210, "temperature inversion"]

TEMPORARY_ENCAMPMENT

A <TRACT> containing a temporary, usually unsheltered, encampment [SOED, "encampment", 1]. EXAMPLE Bivouac.

1215

TENDER

A <WATER_SURFACE_VESSEL> used to attend other <VESSEL>s, especially to supply goods and provisions, convey orders, and/or carry passengers to and from <SHORE>; tender [SOED, "tender", 2].

1216

TENNIS_COMPLEX

A <REGION> and/or <SITE> including one or more <TENNIS_COURT>s; tennis complex.

1217

IR

[FACC, Annex A: AK050]

TENNIS_COURT

A court used in playing the game of tennis [SOED, "tennis-court"].

1218

IR

[FACC, Annex A: AK050]

TENT

A portable <SHELTER> of canvas, cloth, or similar <MATERIAL> that is supported by one or more <POLE>s and stretched and secured by <LOAD_CABLE>s fastened to pegs driven into the <TERRAIN>; tent [SOED, "tent", 1.a].

1219

TENT_DWELLING

A <TENT> used as a <DWELLING>; tent dwelling.

1220

TERRAIN

The <SURFACE> of the solid portion of a <PLANET>, which may or may not be covered by <WATER>; terrain. Terrain is also known as ground.

1221

IR

[S57A, Object: LNDARE]

[S32, "ground"]

TERRAIN_CHANNEL

An elongated <TERRAIN_SURFACE_REGION>, especially one that is relatively narrow, whose longer sides are <TERRAIN_SURFACE_REGION>s of higher <<TERRAIN_ELEVATION>>; terrain channel. EXAMPLES <CANYON>, <GORGE>, dry riverbed.

1222

TERRAIN_CRATER

A localized <TERRAIN_DEPRESSION> created by an explosion and/or the impact of a large or high-velocity projectile upon the <TERRAIN>; terrain crater.

1223

[SOED, "crater", 2]

TERRAIN_CUT

An <EXCAVATION> in the <TERRAIN> to provide passage for a <LAND_TRANSPORTATION_ROUTE> (for example: a <ROAD>, a <RAILWAY>, and/or a <CANAL>); terrain cut.

1224

IR

[FACC, Annex A: DB070]

TERRAIN_DEPRESSION

A <TERRAIN_SURFACE_REGION> of relatively low <<TERRAIN_ELEVATION>> that is completely surrounded by another <TERRAIN_SURFACE_REGION> of higher <<TERRAIN_ELEVATION>>; terrain depression.

1225

PR

[FACC, Annex A: DB080]

TERRAIN_ELEVATION_PROPERTY-
_SET

A <PROPERTY_SET> describing <<TERRAIN_ELEVATION>>s.

1226

TERRAIN_FILL

A <REGION> of fill that augments a <TERRAIN_SURFACE_REGION>; terrain fill.

1227

TERRAIN_OBSTACLE

A configuration of <TERRAIN> and/or associated <STRUCTURE>s that impedes the movement of <GROUND_VEHICLE>s and pedestrian traffic; terrain obstacle.

1228

[J1-02, "obstacle"]

TERRAIN_PIT

An <EXCAVATION> where gravel, <SAND>, and/or clay are removed for use elsewhere; terrain pit.

1229

PR

[FACC, Annex A: AA013]

TERRAIN_PLAIN

A <TERRAIN_SURFACE_REGION> that is comparatively flat; terrain plain.

1230

[SOED, "plain"1.a]

TERRAIN_STRIP

A <TRACT> that is significantly longer in one dimension than the other; terrain strip [SOED, "strip", 2].

1231

TERRAIN_SURFACE_OBJECT

An <OBJECT> located on the <TERRAIN>. EXAMPLE Man-made <STRUCTURE>; terrain surface object.

1232

TERRAIN_SURFACE_REGION

A <REGION> of <TERRAIN>; terrain surface region [SOED, "region", 1].

1233

TERRAIN_TRANSPORTATION-
_ABATIS

An <ABATIS> blocking movement on a <LAND_TRANSPORTATION_ROUTE>; terrain transportation abatis.

1234

TERRAIN_TRANSPORTATION-
_GALLERY

A sunken or cut passage along a <LAND_TRANSPORTATION_ROUTE> in <MOUNTAINOUS_REGION>s constructed to protect <GROUND_VEHICLE>s from the weather; terrain transportation gallery. A series of <APERTURE>s may be present on one side for light or ventilation.

1235

PR

[FACC, Annex A: AL075]

TEST_REFERENCE_TRACK

A surveyed reference track marking the <CENTRE_LINE> of a marine test range; test reference track. <VESSEL>s undergoing testing must maintain position along this track.

1236

PR

[FACC, Annex A: FC102]

TEST_SITE

A <REGION> and/or <SITE> for the testing of technical products and <EQUIPMENT>; test site.

1237

IR

[FACC, Annex A: FA100]

THEATRE

A <BUILDING>, <ROOM>, or outdoor <STRUCTURE> used for the presentation of plays, films, or other dramatic performances; theatre [AHD, "theater", 1].

1238

THEODOLITE_LINE

A <LINE> of known <DIRECTION> from a fixed <LOCATION> that may be used to determine accurate <LOCATION>s of a <VESSEL> on certain test ranges; theodolite line.

1239

PR

[FACC, Annex A: FC101]

THERMAL_MATERIAL_PROPERTY-
_SET

A <PROPERTY_SET> describing the thermal properties of the <MATERIAL>s composing an <OBJECT>.

1240

THUNDERSTORM

A storm with thunder and <LIGHTNING> produced by electrically charged cumulonimbus <CLOUD>s and usually accompanied by heavy <RAIN> and/or <HAIL>; thunderstorm.

1241

PR

[WMO182, T0940, "thunderstorm"]

TIDAL_BASIN

A <WATERBODY_SHELTER_BASIN> affected by tidal forces in which <WATER> can be kept at a desired level by means of a <WATER_GATE>; tidal basin.

1242

PR

[S32, "basin: tidal"]

TIDAL_WATER

A <WATERBODY> where the level normally fluctuates with the <TIDE>; tidal water. Tidal water is also known as non-inland water.

1243

PR

[FACC, Annex A: BA040]

TIDE

The alternate rising and falling of a <WATERBODY_SURFACE> due to the gravitational attraction of the <MOON>, <SUN>, or other <CELESTIAL_BODY>s; tide [SOED, "tide", II.7].

1244

TIDEWAY

A natural <WATERCOURSE> in intertidal <REGION>s where <WATER> flows during the rise and fall of the <TIDE>; tideway.

1249

PR

[S32, "tideway"]

TIDE_DATA_POINT

A <LOCATION> for which tabulated tidal stream data are given; tide data point.

1245

PR

[FACC, Annex A: BG030]

TIDE_GAUGE

A <DEVICE> for measuring the height of <TIDE>; tide gauge. This may be a graduated staff in a sheltered <LOCATION> where visual observations can be made, or it may consist of an elaborate recording <DEVICE> making a continuous graphic record of the height of the <TIDE> against time. It is usually actuated by a float in a <PIPE> communicating with the sea through a small <APERTURE>, which filters out shorter <WATER_WAVE>s.

1246

PR

[S32, "gauge: tide"]

TIDE_LOCK

A <HYDROGRAPHIC_LOCK> situated between a <WATERBODY_SHELTER_BASIN> or <CANAL> and tidewater to maintain the <WATER> at a desired level as the <<TIDE_LEVEL>> changes; tide lock. A tide lock is also known as a guard lock.

1247

PR

[S32, "tide lock"]

TIDE_RIP_REGION

A <WATERBODY_REGION> where small <WATER_WAVE>s are formed on the <WATERBODY_SURFACE> by the meeting of opposing tidal <WATER_CURRENT>s or by a tidal <WATER_CURRENT> crossing an irregular <WATERBODY_FLOOR>; tide rip region.

1248

PR

[S57A, Attribute, CATWAT:4]

TIMBER_YARD

An open <TRACT> for the storage of wooden lumber and timbers; timber yard.

1250

PR

[FACC, Annex A: AM031]

TIME_ANALYSIS_BASE_SET

A <NON_EMPTY_SET> of <OBJECT>s with EDCS Attributes that are analyzed at a common base time.

1251

TIME_FORECAST_TAU_SET

A <NON_EMPTY_SET> of <OBJECT>s with EDCS Attributes that are forecasted at a time offset from a <TIME_ANALYSIS_BASE_SET> time; time forecast tau set.

1252

TOPMARK

A characteristic shape secured at the top of a <BUOY> or <BEACON> to aid in its identification; topmark.

1253

IR

[S32, "topmark"]

TOWED_ARTILLERY

Towed <FIELD_ARTILLERY>.

1254

TOWED_VEHICLE

A <VEHICLE> towed by another.

1255

TOWER

A relatively tall, narrow <STRUCTURE>, which is usually of square, circular, or rectangular cross-section, that may either stand alone or may form part of another <STRUCTURE>; tower.

1256

IR

[S57A, Object: TOWERS]

TOWN

A concentration of <DWELLING>s, <COMMERCIAL_BUILDING>s, <INDUSTRIAL_BUILDING>s, and other <STRUCTURE>s where <HUMAN>s have settled that is larger than a <SETTLEMENT> and usually smaller than a <CITY> and/or <BUILT_UP_REGION>; town.

1257

[SOED, "town", 4]

TOWN_HALL

The <MUNICIPAL_HALL> of a <TOWN>.

1258

TRACK_LINE

The path of marine travel as drawn on a <MAP> together with the <SOUNDING>s and related information collected along that path; track line.

1259

PR

[FACC, Annex A: BE040]

TRACK_SWATH

A <WATERBODY_SURFACE_REGION> of horizontal depth coverage recorded by sonar array <SYSTEM>s; track swath.

1260

PR

[FACC, Annex A: BE030]

TRACT

A <REGION> of <LAND>; tract.

1261

TRADING_POST

A <SITE> occupied for purposes of trade, especially in a remote and/or unsettled <REGION>; trading post [SOED, "trading post"].

1262

TRADITIONAL_SETTLEMENT

A concentration of simple <DWELLING>s, which are generally <HUT>s, that are not usually of substantial construction; traditional settlement.

1263

PR

[FACC, Annex A: AL135]

TRAFFIC_CONTROL_DEVICE

A <DISPLAY_SIGN>, <TRAFFIC_LIGHT>, <ROAD_MARKINGS>, or other <DEVICE> used to regulate, warn or guide traffic, placed on, over or adjacent to a <TRANSPORTATION_ROUTE> by authority of a public agency having jurisdiction; traffic control device.

1474

PR

[MUTCD, 1A13, "traffic control device"]

TRAFFIC_LIGHT

A <TRAFFIC_CONTROL_DEVICE> which uses one or more <LIGHT>s to control traffic flow by displaying right-of-way information to <VEHICLE>s and/or pedestrians.

1475

TRAFFIC_LIGHT_POLE

A <POLE> that supports one or more mounted <TRAFFIC_LIGHT>s.

1476

TRAIL

A path on <LAND> worn by the passage of <ANIMAL>s; trail.

1265

PR

[FACC, Annex A: AP050]

TRAIN

A number of <RAIL_WAGON>s coupled together, usually including the <LOCOMOTIVE_ENGINE> by which they are drawn; train [SOED, "train", 13].

1266

TRAINER_WINGED_AIRCRAFT

A winged <AIRCRAFT> designed or designated for flight training operations.

1267

TRAINING_BUILDING

A <BUILDING> used exclusively for training of military, police, fire, and/or rescue <PERSONNEL>; training building.

1268

TRAINING_FACILITY

A <FACILITY> including one or more <TRAINING_BUILDING>s; training facility.

1269

IR

[FACC, Annex A: FA165]

TRANSMISSION_STATION

A station that is equipped for radio and/or television transmission.

1270

TRANSPORTATION_BLOCK

A massive assemblage of <MATERIAL>, usually in the form of concrete blocks and/or cylinders, positioned alongside (a <ROLLING_BLOCK>) or above (a <DROP_GATE>) a <LAND_TRANSPORTATION_ROUTE>, ready to be activated as a potential <BARRIER> to an advancing enemy ground force; transportation block.

1273

PR

[FACC, Annex A: AQ068]

TRANSPORTATION_BUILDING

A <BUILDING> intended to facilitate the transportation of <HUMAN>s and/or <MATERIAL>s.

1274

TRANSPORTATION_FACILITY

A <FACILITY> including one or more <TRANSPORTATION_BUILDING>s.

1275

TRANSPORTATION_ROUTE

A <ROUTE> used for transportation.

1276

TRANSPORTATION_STATION

A station that serves as a stopping place along a <TRANSPORTATION_ROUTE>; transportation station.

1277

PR

[FACC, Annex A: AQ125]

TRANSPORT_HELICOPTER

A <HELICOPTER> designed and/or designated to transport <CARGO>, <PERSONNEL>, or other <MATERIAL>s.

1271

TRANSPORT_WINGED_AIRCRAFT

A winged <AIRCRAFT> designed and/or designated to transport <CARGO>, <PERSONNEL>, or other <MATERIAL>s.

1272

[J1-02, "transport aircraft"]

TRAPDOOR

A <DOOR> or hatch that is flush with a <SURFACE> and located in a <FLOOR>, on a <ROOF>, or in a <ROOM_CEILING>; trapdoor [SOED, "trapdoor", 1].

1278

TREE

A woody-perennial <PLANT> that has a self-supporting main stem or trunk and a definite crown; tree. A tree-like <PLANT> may also be known as a tree.

1279

PR

[S57A, Object: TREPNT]

TREED_TRACT

A <TRACT> covered by a <NON_EMPTY_SET> of <TREE>s; treed tract. EXAMPLES Copse, thicket, stand of <TREE>s.

1282

IR

[FACC, Annex A: EC030]

TREE_BLOWDOWN

A <TRACT> on which <TREE>s have been blown down or otherwise levelled; tree blowdown.

1280

TREE_LINE

A relatively linear arrangement of <TREE>s; tree line [SOED, "tree line", b].

1281

TRENCH

A long and narrow <EXCAVATION> in the <TERRAIN>; trench [SOED, "trench", 2.a]. A trench is also known as a ditch.

1283

IR

[FACC, Annex A: AH020]

TROPICAL_CYCLONE

A non-frontal, synoptic-scale <CYCLONE> originating over a tropical or sub-tropical <WATERBODY> with organized convection and definite cyclonic surface <WIND> circulation; tropical cyclone.

1284

PR

[WMO182, T1510, "tropical cyclone"]

TROPOPAUSE
F

The <BOUNDARY> between the <TROPOSPHERE> and the <STRATOSPHERE> where an abrupt change in the <<TEMPERATURE_LAPSE_RATE>> usually occurs; tropopause.

1285

PR

[WMO182, T1600, "tropopause"]

TROPOSPHERE
F

The <ATMOSPHERE_REGION> of the <EARTH>, extending from the <PLANETARY_SURFACE> to the <TROPOPAUSE>; troposphere.

1286

PR

[WMO182, T1640, "troposphere"]

TRUCK

A large, strong <MOTOR_VEHICLE> for carrying <CARGO>, <HUMAN>s, and/or other <MATERIAL>s; truck [SOED, "truck", 3.b].

1287

TSS_SYSTEM

A deep-water <WATERBODY_ROUTE>, together with the related <NAVIGATION_MARK_AFLOAT>s and/or <NAVIGATION_MARK_FIXED>s that are placed to delimit specific <TRANSPORTATION_ROUTE>s for separating traffic within the <WATERBODY_ROUTE>; traffic separation scheme system.

1288

IR

[FACC, Annex A: FC040]

TSUNAMI

A long-period <WATER_WAVE> produced by a submarine earthquake and/or volcanic eruption; tsunami.

1289

IR

[SP35, "tsunami"]

TUNA_NETTING_REGION

A <WATERBODY_REGION> where nets used for catching tuna have been deployed.

1290

IR

[FACC, Annex A: BB111]

TUNDRA

A prairie-like arctic and sub-arctic climatic <TRACT> that sustains a growth of low <VEGETATION>; tundra.

1291

PR

[FACC, Annex A: BJ110]

TUNNEL

A passage under the <TERRAIN> that is open at both ends and usually contains a <LAND_TRANSPORTATION_ROUTE>; tunnel.

1292

IR

[S57A, Object: TUNNEL]

TUNNEL_SHELTER

A <TUNNEL> for the purpose of sheltering <MATERIAL>s, <EQUIPMENT>, and/or <HUMAN>s; tunnel shelter.

1293

TURBID_REGION

A <WATERBODY_REGION> with increased <<WATER_DIFFUSE_TURBIDITY>>; turbid region.

1294

IR

[SP35, "turbidity"]

TURNING_BASIN

An enlargement of a <WATER_CHANNEL> used for turning <VESSEL>s; turning basin. A turning basin is also known as a manoeuvering basin.

1295

PR

[S32, "turning basin"]

TYPHOON

A <TROPICAL_CYCLONE> with maximum sustained <<WIND_SPEED>>s of 33 metres per second or greater near the centre and that is located in the western North Pacific; typhoon.

1296

PR

[WMO182, T1990, "typhoon"]

UNCONTROLLED_AIRSPACE

Any <AIRSPACE> in which air traffic control service is not available; uncontrolled airspace.

1297

IR

[AIM]

UNDERGROUND_BUNKER

A <BUNKER> that is used as a command and control centre or for encampment; underground bunker.

1298

IR

[FACC, Annex A: AH060]

UNDERGROUND_DWELLING

A <DWELLING> under the <TERRAIN>; underground dwelling.

1299

PR

[FACC, Annex A: AL250]

UNDERGROUND_RAILWAY

A <TUNNEL> under the <TERRAIN> through which a metropolitan electric <RAILWAY> travels; underground railway.

1300

PR

[FACC, Annex A: SU002]

UNDERGROUND_STRUCTURE

An underground <STRUCTURE>, such as a <BUNKER> or underground <PARKING_GARAGE>.

1477

UNDERGROUND_WATER

<WATER> situated under the <TERRAIN> but reachable by <WELL>s; underground water. Underground water is also known as phreatic water.

1301

PR

[FACC, Annex A: BH115]

UNDERMINED_LAND

A <TRACT> that was previously undermined through mining activities and that either has already partly subsided and/or that is in the process of subsiding; undermined land.

1302

PR

[FACC, Annex A: DB220]

UNDERWATER_COMMUNICATION-
_DEVICE

A <DEVICE> located in a <WATERBODY> and used to provide two-way communication; underwater communication device. EXAMPLE <ACOUSTIC_TRANSDUCER>.

1303

UNDERWATER_HAZARD

An <UNDERWATER_OBJECT> known to be hazardous to navigation on <WATERBODY_SURFACE>s; underwater hazard.

1304

PR

[FACC, Annex A: BD000]

UNDERWATER_OBJECT

An <OBJECT> under a <WATERBODY_SURFACE>. EXAMPLE <MARINE_WRECK>.

1305

IR

[FACC, Annex A: BD005]

UNDERWATER_REGION

A <REGION> under a <WATERBODY_SURFACE>.

1306

UNMANNED_WINGED_AIRCRAFT

A winged <AIRCRAFT> operating without a pilot onboard; unmanned winged aircraft.

1307

UNMONUMENTED_POINT

A formally recognized survey or reference <LOCATION> that is not represented by a physical <BOUNDARY_MONUMENT> and/or <BENCHMARK>; unmonumented point.

1308

PR

[FACC, Annex A: ZB031]

UNVEGETATED_LAND

A <TRACT> with little (less than 5 percent) or no <VEGETATION>; unvegetated land.

1309

PR

[FACC, Annex A: EE020]

URANUS

The primary <PLANET> of the <SUN> that is seventh in distance from the <SUN>, with an orbital mean <<RADIUS>> of approximately 2 875,0 million kilometres; Uranus.

1310

IR

UTILITY_HELICOPTER

A <HELICOPTER> designed or designated for various utility operations.

1311

UTILITY_VESSEL

A <WATER_SURFACE_VESSEL> designed or designated for various utility operations.

1312

UTILITY_WINGED_AIRCRAFT

A winged <AIRCRAFT> designed or designated for utility, non-transport purposes.

1313

IR

[JAWA, Type Classifications, Class 7]

VALLEY_BOTTOM_LINE

A <LINE> representing of the lowest part of a <VALLEY_REGION>; valley bottom line.

1314

PR

[FACC, Annex A: CA025]

VALLEY_REGION

A low-lying <TERRAIN_SURFACE_REGION> located between <HILL>s and/or <MOUNTAIN>s and often having a <RIVER> flowing through it; valley region.

1315

VALVE

A <DEVICE> that controls the passage of fluid through a <PIPE> or an <APERTURE>; valve [SOED, "valve", 6].

1478

VARIABLE_DISPLACEMENT-
_LINE

A <LINE> connecting <LOCATION>s having a varying relative vertical offset from the <TERRAIN>; variable displacement line.

1316

VEGETABLE_OIL_MILL

A <BUILDING> that houses <EQUIPMENT> that releases the oils of vegetable seeds by pressing and/or grinding; vegetable oil mill.

1317

IR

[FACC, Annex B, BFC:71]

VEGETATED_SATURATED-
_LAND

A saturated <TRACT> that is at times covered with <WATER> and that supports <VEGETATION> that may include <TREE>s; vegetated saturated land.

1318

PR

[FACC, Annex A: BH095]

VEGETATION

The <PLANT>s in a given <REGION>; vegetation [AHD, "vegetation", 2].

1319

VEHICLE

<EQUIPMENT> used to provide a means of conveyance for transporting <MATERIAL>s, <EQUIPMENT>, and/or <HUMAN>s; vehicle.

1320

[SOED, "vehicle", A, 5a]

VEHICLE_BARRIER

An obstruction placed across a <LAND_TRANSPORTATION_ROUTE> to prevent the passage of <VEHICLE>s; vehicle barrier.

1321

IR

[FACC, Annex A: AP041]

VEHICLE_LOT

A <TRACT> used for storing and/or parking <VEHICLE>s and/or <VESSEL>s; vehicle lot.

1322

PR

[FACC, Annex A: AQ140]

VEHICLE_SCALE

<EQUIPMENT> that is used to determine the weight of <MOTOR_VEHICLE>s; vehicle scale [DFDD, Feature Attribute Dictionary, TFC:16].

1323

IR

[FACC, Annex B, BFC:113]

VENTILATION_APERTURE

An <APERTURE>, generally covered, into a <VENTILATION_DUCT> or <VENTILATION_SHAFT>.

1324

VENTILATION_DUCT

A predominantly horizontal duct for the admission of a proper supply of fresh and/or temperature-controlled <AIR>, especially to a <ROOM>, <BUILDING>, or other place where the <AIR> readily becomes stagnant or in need of temperature control; ventilation duct.

1325

[SOED, "ventilation duct", 4.b]

VENTILATION_DUCT_WALL

The <WALL> and/or casing of a <VENTILATION_DUCT>.

1326

VENTILATION_SHAFT

A vertical or nearly vertical passageway in a <BUILDING> used for moving heating, cooling, and/or ventilation <AIR>; ventilation shaft.

1327

VENUS

The primary <PLANET> of the <SUN> that is second in distance from the <SUN> with an orbital mean <<RADIUS>> of approximately 108,2 million kilometres; Venus.

1328

IR

VERTEBRATE

An <ANIMAL> of the subphylum Vertebrata, comprising chordate animals with a bony and/or cartilaginous skeleton, skull, and spinal column; vertebrate [SOED, "vertebrate", A]. EXAMPLES <FISH>, <AMPHIBIAN>, <REPTILE>, <BIRD>, <MAMMAL>.

1329

VERTICAL_DATUM

A datum (see ISO 19111:2007, 4.9) to which gravity-related elevations and heights are referenced; vertical datum. This is often taken to correspond to MSL.

1330

IR

[ISO 19111:2007, 4.33]

[GMCG]

VESSEL

A <VEHICLE> capable of operation on the <WATERBODY_SURFACE>, but which may also be able to operate beneath it; vessel.

1331

[SOED, "vessel", 4.a]

VESSEL_BASIN

An enclosure containing <WATER> for a dock for <VESSEL>s; vessel basin.

1332

PR

[FACC, Annex A: BB022]

VESSEL_BERTH

The <LOCATION> where a <VESSEL> lies when secured to a <PIER>, <WHARF>, and/or <MOORING_DOLPHIN>; may also be a designated <LOCATION> away from the <COASTLINE>; vessel berth.

1333

PR

[FACC, Annex A: BB020]

VESSEL_STORAGE_ANCHORAGE

A defined <WATERBODY_REGION> intended for use as a long-term <ANCHORAGE> and storage for <VESSEL>s; vessel storage anchorage.

1334

VIADUCT

A <STRUCTURE> consisting of a series of arches or <TOWER>s supporting a <LAND_TRANSPORTATION_ROUTE> across a <TERRAIN_DEPRESSION>; viaduct.

1335

PR

[S32, "viaduct"]

VINEYARD

A <TRACT> covered by the systematic planting of grape vines; vineyard.

1336

PR

[FACC, Annex A: EA050]

VOID_COLLECTION

A data collection <REGION> lacking suitable source coverage and/or where data is not required; void collection.

1337

PR

[FACC, Annex A: ZD020]

VOLCANIC_DYKE

A sheet of <ROCK> filling a fissure, sometimes showing as a <RIDGE>; volcanic dyke [SOED, "dyke", n. 10.b].

1338

IR

[FACC, Annex A: DB190]

VOLCANO

A <MOUNTAIN> or <HILL>, situated over one or more openings in the <TERRAIN> through which lava, cinders, steam, and/or gases are or have been expelled; volcano [SOED, "volcano", n1].

1339

IR

[FACC, Annex A: DB180]

WADI

The dry bed of an intermittent <RIVER>, often with steep sides or located at the bottom of a <TERRAIN_CHANNEL>; wadi. A wadi is also known as a wash or an arroyo.

1340

[APDS, "wadi", 1]

WADI_NEXUS

The representation of one or more <WADI>s; wadi nexus.

1341

WALL

A solid man-made <BARRIER> of generally heavy <MATERIAL> used as an enclosure, <BOUNDARY>, or for protection; wall.

1342

PR

[FACC, Annex A: AL260]

WALL_LOOPHOLE

A small <APERTURE> in a <WALL> in a defended <STRUCTURE> created for military purposes, typically about 20 centimetres in diameter; wall loophole.

1343

WALL_STUD

A slender, upright <STRUCTURAL_MEMBER> of wood or metal that is part of a series of such members forming the structural frame of a <WALL>; wall stud.

1472

IR

[VDARCH, "stud"]

WAREHOUSE

A <BUILDING> in which goods or merchandise are stored; warehouse [AHD, "warehouse", 1].

1344

WARM_FRONT

An <ATMOSPHERIC_FRONT> between warm and cold <AIR_MASS>s that moves so that the warmer <AIR> replaces the colder <AIR>; warm front.

1345

PR

[WMO182, W0100, "warm front"]

WASTE_PROCESSING_FACILITY

A <FACILITY> where waste is processed through chemical, physical, biological, or thermal procedures or a combination of those procedures; waste processing facility.

1346

PR

[FACC, Annex A: AB030]

WATER

A compound of hydrogen and oxygen, chemical formula H₂O; water [SOED, "water", 1.a].

1347

WATERBODY

A particular, designated body of <WATER> forming a physiographic <OBJECT>; waterbody [SOED, "waterbody"]. EXAMPLES <LAKE>, <OCEAN>, <SEA>, <RIVER>.

1348

WATERBODY_ACOUSTIC_PROPERTY-
_SET

A <WATERBODY_PROPERTY_SET> describing acoustic-related properties.

1349

WATERBODY_ACOUSTIC_SIGNATURE-
_PROPERTY_SET

An <ACOUSTIC_SIGNATURE_PROPERTY_SET> describing a signal source in a <WATERBODY>.

1350

WATERBODY_ACOUSTIC_TARGET-
_STRENGTH_PROPERTY_SET

A <WATERBODY_PROPERTY_SET> describing acoustic target strength properties (for example: the amount of signal excess added to the return energy of an active sonar emission based on the reflective characteristics of an <OBJECT>).

1351

WATERBODY_BANK

The raised or sloping bank of <LAND> adjacent to a <LAND_WATER_BOUNDARY>; waterbody bank.

1352

WATERBODY_BASIN

A delimited, principal division of a <WATERBODY>; waterbody basin. EXAMPLE <OCEAN_BASIN>.

1353

IR

[SP35, "basin"]

WATERBODY_BATHYMETRY-
_PROPERTY_SET

A <WATERBODY_PROPERTY_SET> describing the <<DEPTH_OF_WATERBODY_FLOOR>> with respect to a <SURFACE_DATUM>; waterbody bathymetry property set.

1354

WATERBODY_BIOLOGIC_SOUND-
_SOURCE

A sound source of a biological nature in a <WATERBODY>. EXAMPLES <FISH_SCHOOL>, <WHALE_POD>.

1355

WATERBODY_BOOM

A floating <BARRIER> used to protect a <WATERBODY_REGION> or to create a sheltered <WATERBODY_SURFACE_REGION> for storage purposes; waterbody boom [DFDD, Feature Dictionary: BD123].

1356

PR

[FACC, Annex A: BD123]

WATERBODY_CURRENT

A large <WATERBODY_REGION> containing a <WATER_CURRENT> that is relatively homogenous with respect to <<WATERBODY_TEMPERATURE>> or <<PRACTICAL_SALINITY>> and that differs from that of the adjacent <REGION>s; waterbody current.

1357

IR

[S32, "current"]

WATERBODY_EDDY

An <EDDY> in a <WATERBODY>.

1358

IR

[FACC, Annex A: BD040]

WATERBODY_FLOOR

The floor of a <WATERBODY>.

1359

WATERBODY_FLOOR_CANYON

A deep, steep-sided <TERRAIN_CHANNEL> in a <WATERBODY_FLOOR> the bottom of which grades continuously downward; waterbody floor canyon.

1360

PR

[S32, "canyon: submarine"]

WATERBODY_FLOOR_PINNACLE

A <WATERBODY_FLOOR_TOPOGRAPHIC_CONFIGURATION> of reduced depth at its centre; waterbody floor pinnacle. It is generally round in shape as viewed from above.

1361

IR

[S32, "pinnacle"]

WATERBODY_FLOOR_PROVINCE

A <WATERBODY_FLOOR_REGION> identifiable by shared physiographic characteristics that are markedly in contrast with those in the adjacent <WATERBODY_FLOOR_REGION>s; waterbody floor province.

1362

PR

[SUFN, "province"]

WATERBODY_FLOOR_REGION

A <REGION> of a <WATERBODY_FLOOR>.

1363

WATERBODY_FLOOR_RIDGE

A <RIDGE> with steep sides and either irregular or smooth topography in a <WATERBODY_FLOOR>; waterbody floor ridge. A waterbody floor ridge in an <OCEAN> often separates <OCEAN_BASIN>s.

1364

IR

[S32, "oceanic ridge"]

[S32, "ridge", a/b], [SP35, "ridge"], [SUFN, "RIDGE"]

WATERBODY_FLOOR_SONAR-
_RETURN

A detectable active sonar return signal, from an <OBJECT> on a <WATERBODY_FLOOR>.

1365

IR

[FACC, Annex A: BE029]

WATERBODY_FLOOR_TOPOGRAPHIC-
_CONFIGURATION

A significant configuration of the topography of a <WATERBODY_FLOOR>; waterbody floor topographic configuration.

1366

PR

[FACC, Annex A: BF011]

WATERBODY_FLOOR_TRENCH

A significant long, narrow, and characteristically very deep and asymmetrical <TERRAIN_CHANNEL> in a <WATERBODY_FLOOR>, with relatively steep sides; waterbody floor trench.

1367

PR

[S57A, Attribute: CATSEA:6]

WATERBODY_PARTITION

A solid <MAN_MADE_OBJECT> subdividing a <WATERBODY>; waterbody partition [DFDD, Feature Dictionary: FC035]. EXAMPLES An artificial earthen <EMBANKMENT> subdividing a pond or rice paddy.

1368

IR

[FACC, Annex A: FC035]

WATERBODY_PROPERTY_SET

A <PROPERTY_SET> describing a <LOCATION> or <REGION> of a <WATERBODY>.

1369

WATERBODY_REGION

A <REGION> of a <WATERBODY>.

1370

WATERBODY_ROUTE

A <TRANSPORTATION_ROUTE> on a <WATERBODY> established for the safe passage of <VESSEL>s; waterbody route.

709

IR

[FACC, Annex A: FC165]

WATERBODY_ROUTE_NEXUS

A representation of one or more <WATERBODY_ROUTE>s; waterbody route nexus.

710

WATERBODY_SHELTER_BASIN

A sheltered <WATERBODY> available for port operations and connecting with another <WATERBODY> (for example: an outer <MARINE_PORT> and/or a <SEA>) sometimes by means of a <HYDROGRAPHIC_LOCK> or passage; waterbody shelter basin.

1371

PR

[S32, "basin" (sheltered)]

WATERBODY_SHIPPING_PROPERTY-
_SET

A <WATERBODY_PROPERTY_SET> describing shipping-related properties.

1372

WATERBODY_SURFACE

The <SURFACE> of a <WATERBODY>.

1373

WATERBODY_SURFACE_REGION

A <REGION> of a <WATERBODY_SURFACE>.

1374

WATERBODY_SURFACE_SLICK

A <WATERBODY_SURFACE_REGION> that is variable in size and markedly different in appearance (for example: in colour and/or oiliness) from adjacent <WATERBODY_SURFACE_REGION>s; waterbody surface slick.

1375

IR

[SP35, "sea slick"]

WATERBODY_TEMPERATURE-
_PROPERTY_SET

A <WATERBODY_PROPERTY_SET> describing properties related to <<TEMPERATURE>>.

1376

WATERCOURSE

An artificial or natural channel for the conveyance of <WATER>; watercourse.

1393

PR

[S32, "watercourse"]

WATERFALL

A vertical or nearly vertical descent of a <WATERCOURSE>; waterfall.

1394

IR

[S57A, Object: WATFAL]

WATERING_HOLE

A small natural <TERRAIN_DEPRESSION> in which <WATER> collects, especially a pool where <NON_HUMAN_ANIMAL>s come to drink; watering hole [AHD, "watering hole", 1].

1395

IR

[FACC, Annex A: BB250]

WATERING_PLACE

A <REGION> where supplies of <WATER> can be replenished; watering place. EXAMPLES <SPRING>, <WELL> of <WATER>, <WATERING_HOLE>.

1396

IR

[FACC, Annex A: BH170]

WATER_CHANNEL

That part of a <WATERBODY>, sometimes dredged, that is deep enough for navigation through a <WATERBODY_REGION> that would otherwise not be navigable; water channel. It is usually marked by a single or double line of <MARINE_AID_TO_NAVIGATION>s.

1377

PR

[S32, "channel"]

WATER_CHANNEL_EDGE

The <BOUNDARY> delimiting the edge of a <WATER_CHANNEL> plus associated <NAVIGATION_MARK_AFLOAT>s and/or <NAVIGATION_MARK_FIXED>s; water channel edge.

1378

IR

[FACC, Annex A: BB007]

WATER_CURRENT

A <CURRENT> in a <WATERBODY>.

1379

IR

[S57A, Object: CURENT]

WATER_CURRENT_PROPERTY-
_SET

A <PROPERTY_SET> describing the mean <<WATER_CURRENT_SPEED>> within a <REGION> of a <WATERBODY> as a function of time.

1380

IR

[FACC, Annex A: BG040]

WATER_DATA_COLLECTION-
_DEVICE

A <DEVICE> used for the collection of hydrographic and oceanographic data; water data collection device.

1381

PR

[FACC, Annex A: BK030]

WATER_DRIVEN_GRISTMILL

A <STRUCTURE> equipped with water-driven <EQUIPMENT> for grinding grain into flour or meal; water driven gristmill.

1382

IR

[FACC, Annex B, BFC:22]

WATER_GATE

A <BARRIER> that may be swung, drawn, or lowered to block an entrance or passageway on a <WATERBODY> (e.g., on a <WATERCOURSE>); water gate [DFDD, Feature Dictionary: BI041].

688

PR

[FACC, Annex A: BI041]

WATER_GATHERING_REGION

A protected (restricted use) <TERRAIN_SURFACE_REGION> incorporating facilities for the collection of <WATER>, so designated in order to protect the <WATER> on and beneath the <TERRAIN> from being contaminated; water gathering region.

1383

PR

[FACC, Annex A: FA082]

WATER_INTAKE

A place where <WATER> is taken into a channel or <PIPE> from a <WATERBODY>; water intake [DFDD, Feature Dictionary: BH011]. The purpose of a water intake may be to supply an <AQUEDUCT> or <WATER_TREATMENT_FACILITY>.

1384

PR

[FACC, Annex A: BH011]

WATER_INTAKE_TOWER

A <TOWER> associated with a <WATER_INTAKE>; water intake tower.

1385

IR

[FACC, Annex A: BI050]

WATER_MAIN

A main <PIPE> or conduit forming a <COMPONENT> of a public or community <SYSTEM> of <PIPE>s and <VALVE>s conveying non-waste liquid <WATER> to all service connections.

1479

IR

[VDARCH, "water main"]

WATER_SURFACE_VESSEL

A <VESSEL> capable of operation only on a <WATERBODY_SURFACE>; water surface vessel. EXAMPLES Barge, boat, ship.

1386

WATER_TOWER

A <TOWER> supporting an elevated <STORAGE_TANK> of <WATER>; water tower.

1387

PR

[FACC, Annex A: AM080]

WATER_TRAFFIC_SEPARATION-
_SCHEME

A measure for organizing a <TRANSPORTATION_ROUTE> that separates opposing streams of <VESSEL>s by appropriate means, including the establishment of <ROUTE_LANE>s; water traffic separation scheme.

1264

IR

[S32, "traffic separation scheme"]

WATER_TREATMENT_BED

A <TRACT> for the treatment of <WATER> that consists of a bed of <MATERIAL> where <WATER> is aerated or filtered; water treatment bed.

1388

IR

[FACC, Annex A: BH040]

WATER_TREATMENT_FACILITY

A <FACILITY> including one or more <WATER_TREATMENT_STRUCTURE>s; water treatment facility.

1389

WATER_TREATMENT_STRUCTURE

A <STRUCTURE> containing layers of <MATERIAL> used to filter or aerate <WATER>; water treatment structure.

1390

IR

[FACC, Annex B, BFC:84]

WATER_TURBULENCE

A disturbance of <WATER> caused by the interaction of any combination of <WATER_WAVE>s, <WATER_CURRENT>s, <EDDY>s, tidal streams, <WIND>, <SHOAL>s, and obstructions; water turbulence.

1391

PR

[FACC, Annex A: BG012]

WATER_WAVE

One of a succession of undulations that travel over a <WATERBODY_SURFACE>; water wave [SOED, "wave", I.1.a].

1392

IR

[FACC, Annex A: BG012]

WAYPOINT

A <LOCATION> used to define a <ROUTE>; waypoint.

1397

IR

[IAN11]

WEAPON

<EQUIPMENT> intended to inflict bodily harm, especially one used in warfare to overcome an enemy and/or repel a hostile attack; weapon [SOED, "weapon", 1a].

1398

WEAPONS_RANGE

A <FACILITY> designated for the purpose of discharging firearms or detonating <MUNITION>s; weapons range. A weapons range is also known as a firing range or gunnery range.

1404

IR

[FACC, Annex A: FA015]

WEAPON_FIGHTING_POSITION

A <FIGHTING_POSITION> designed to accommodate an individual <WEAPON>, which may be mounted on a <VEHICLE>.

1400

WEAPON_FIGHTING_POS-
_ACCESS_ROUTE

The concealed access <RAMP> or <LAND_TRANSPORTATION_ROUTE> leading from the exterior of a <WEAPON_FIGHTING_POSITION> to the <WEAPON_FULL_DEFILADE_POSITION> and then to the <WEAPON_HULL_DEFILADE_POSITION>; weapon fighting position access route.

1399

WEAPON_FULL_DEFILADE-
_POSITION

The <REGION> within a <WEAPON_FIGHTING_POSITION> in which the entire <WEAPON> is hidden from enemy view and fire; weapon full defilade position.

1401

WEAPON_HULL_DEFILADE-
_POSITION

The <REGION> within a <WEAPON_FIGHTING_POSITION> in which only the fighting <COMPONENT> of the <WEAPON> is exposed to enemy fire or view; weapon hull defilade position.

1402

WEAPON_SYSTEM

A <WEAPON> together with all the <EQUIPMENT> (for example: detection and control apparatus, a launcher, and/or a delivery <VEHICLE>) required to make use of it; weapon system [SOED, "weapon system"].

1403

WEAPON_TURRET_DEFILADE-
_POSITION

The <REGION> within a <WEAPON_FIGHTING_POSITION> in which the hull and fighting <COMPONENT>s of the <WEAPON> are hidden from enemy view and fire; weapon turret defilade position.

1444

WEATHER_STATION

An <OBSERVATION_STATION> where meteorological data are gathered, recorded, and released; weather station.

1405

IR

[GMET, "weather station"]

WELL

An <EXCAVATION> drilled and/or dug into the <TERRAIN> for the extraction of liquids and/or gases; well [DFDD, Feature Dictionary: AC040].

1406

IR

[FACC, Annex A: AA050]

[SOED, "well", n1.5.b]

WELL_HEAD

<EQUIPMENT> (for example: casing heads, lowermost and intermediate tubing heads, Christmas tree equipment with valves and fittings, and/or casing and tubing hangers) used on the <TERRAIN> to maintain control of an oil <WELL>; well-head.

1407

IR

[GOFP, "wellhead"]

WETLAND

A <TERRAIN_SURFACE_REGION> that is inundated or saturated by surface or ground <WATER> at a frequency and duration sufficient to support, and that under normal circumstances does support, a prevalence of <VEGETATION> typically adapted for life in conditions of saturated <SOIL>; wetland [CFR230, "wetlands"]. EXAMPLES <SWAMP>, <MARSH>, <BOG>.

1409

WET_DOCK

A <DOCK> in which <WATER> can be maintained at any level by closing a <WATER_GATE> when the <WATER> is at the desired level; wet dock.

1408

PR

[S32, "dock: wet"]

WHALE

A large, marine <MAMMAL> of the order Cetacea, the members of which have forelimbs as fins, a tail with horizontal flukes, and nasal openings on top of the head; whale [SOED, "whale", 1].

1410

WHALE_POD

A <POD> of <WHALE>s.

1411

WHARF

A <STRUCTURE> serving as a berthing place for <VESSEL>s; wharf.

1412

PR

[S32, "wharf"]

WIND

A <CURRENT> of <AIR> moving relative to a <PLANETARY_SURFACE>; wind. Unless otherwise specified, usually only the horizontal component is considered.

1413

PR

[WMO182, W0930, "wind"]

WINDMILL

A <SYSTEM> of vanes attached to a <TOWER> and driven by <WIND> (excluding <WIND_MOTOR>s); windmill.

1420

IR

[FACC, Annex A: AJ050]

WINDOW

An <APERTURE> in a <WALL> or the side of a <BUILDING>, <VEHICLE>, or other <STRUCTURE> that admits light, <AIR>, or both and affords a view of what is outside or inside; window [SOED, "window", 1.a].

1421

WIND_INDICATOR

A <WIND>-actuated <DEVICE> indicating visually <<WIND_DIRECTION>> and/or <<WIND_SPEED>> information for the surface <WIND>; wind indicator [DFDD, Feature Dictionary: GB080].

1414

IR

[FACC, Annex A: GB080]

WIND_MOTOR

<EQUIPMENT> attached to a <TOWER> that generates electrical power from <WIND>; wind motor.

1415

IR

[FACC, Annex A: AJ051]

WIND_ROSE_PROPERTY_SET

A <PROPERTY_SET> describing the relative frequency of the <<WIND_DIRECTION>>, and sometimes the frequencies of the <<WIND_SPEED>>s for different directions, experienced at a given <LOCATION> over a defined period of record; wind rose property set.

1416

PR

[WMO182, W1120, "wind rose"]

WIND_TUNNEL

<EQUIPMENT> through which <AIR> is forced at controlled velocities in order to study the effects of aerodynamic flow around airfoils, scale models, or other <OBJECT>s; wind tunnel [AHD, "wind tunnel"].

1417

WIND_VANE

A visual <DEVICE> used to indicate or measure <<WIND_DIRECTION>>; wind vane.

1418

PR

[WMO182, W1240, "wind vane"]

WIND_WAVE

A <WATER_WAVE> generated by friction between the <WIND> and a <WATERBODY_SURFACE>.

1419

IR

[BOWD, "GLOSSARY OF MARINE NAVIGATION", "wind wave"]

WIRE

Metal wrought into the form of a slender rod or thread; wire [SOED, "wire", 1].

1422

WIRE_OBSTACLE

A <TERRAIN_OBSTACLE> constructed of <WIRE>, usually containing barbs or razors; wire obstacle.

1423

WOODY_GRASSLAND

A <TRACT> covered by woody and/or tree-like grasses of the tropical or temperate <REGION>s that have jointed hollow stems with solid nodes (for example: <BAMBOO> and/or sugar cane); woody grassland.

1424

IR

[FACC, Annex A: EC010]

WORSHIP_PLACE

A place where religious worship is performed, especially a <BUILDING> designed for this purpose; worship place [SOED, "place of worship"]. EXAMPLES <CHAPEL>, <CHURCH>, <MOSQUE>, <SYNAGOGUE>.

1425

WRECKING_YARD

An enclosed <TRACT> within which <EQUIPMENT> is dismantled or torn down; wrecking yard.

1426

IR

[FACC, Annex A: AB010]

ZEBRA

A wild African <HORSE>, characterized by having an erect mane, whitish hide and distinctively black stripes; zebra [SOED, "zebra", 1].

1427