Table 5.6 — ECs whose label begins with B
| Label | Concept definition | Code |
| 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; the backshore precise. | 119 |
| BALCONY | A platform projecting from the <WALL> of a <BUILDING>, supported by pillars and/or brackets, and enclosed by a balustrade or low <WALL>; a balcony or deck. | 120 |
| 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; a balloon. | 121 |
| BAMBOO | A <PLANT> belonging to the genus Bambusa, Arundinaria, Phyllostachys, Sasa, or Dendrocalamus, most having hard, hollow stems; a bamboo [SOED, "bamboo", A.1]. | 122 |
| BAMBOO_TRACT | A <TRACT> of <BAMBOO>. | 123 |
| 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; a bank [SOED, "bank", n3.3]. | 124 |
| BARN | A <FARM_BUILDING> that is used to store hay, grain, and implements and/or to house <NON_HUMAN_ANIMAL>s; a barn [SOED, "barn", A.1] [SOED, "barn", A.2]. | 125 |
| BARRACK | A <BUILDING> used to house <MILITARY_PERSONNEL>, which is typically large, unadorned, and intended for relatively temporary occupancy; a barrack. | 126 |
| BARREN_GROUND | <TERRAIN> so disturbed as to have no identifiable <VEGETATION>; barren ground. | 127 |
| BARRIER | A physical obstacle that prevents access and/or separates; a barrier [SOED, "barrier", 1]. | 128 |
| BASEMENT | A <FLOOR_LEVEL> of a <BUILDING> located wholly or partially below the level of the <LAND>; a 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; a bat [SOED, "bat", 3]. | 130 |
| BATHYMETRIC_PROVINCE | A <WATERBODY_FLOOR_PROVINCE> of homogeneous bathymetric characteristics; a bathymetric province. | 131 |
| BATTLESHIP | A <WATER_SURFACE_VESSEL> of the most heavily armed and <<ARMOURED>> class, of sufficient size to take part in a main attack; a 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>; a beach. | 133 |
| BEACH_PROFILE | A representation of the vertical relief of a <WATERBODY_FLOOR> and adjacent <LAND> along a <LINE> or <SET> 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>; a beach profile. | 134 |
| 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; a beach zone. | 135 |
| BEACON | A fixed, usually elevated, <DEVICE> that serves as an <AID_TO_NAVIGATION>, usually functioning by emitting a signal (for example: a flashing <LIGHT> or a radar pulse) warning of its <LOCATION>; a beacon. | 136 |
| BEDROCK | Solid <ROCK> underlying alluvial deposits; bedrock [SOED, "bedrock"]. | 137 |
| BENCHMARK | A reference mark on a permanent <OBJECT> indicating <<ELEVATION>>; a benchmark. | 138 |
| 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. 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 |
| BIRD | A <VERTEBRATE> of the class Aves, characterized by forelimbs as wings for flight, oviparous reproduction, and care for the young; a bird [SOED, "bird", B]. | 141 |
| BLAST_BARRIER | A <BARRIER> used to divert and/or dissipate jet or propeller blast. | 142 |
| 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>; a blast furnace. | 143 |
| BLIMP | A small <AIRSHIP> that does not have a rigid frame; a blimp. | 144 |
| BLOCKHOUSE | A military <FORTIFICATION> constructed of sturdy <MATERIAL>s (for example: concrete) and designed with <WALL_LOOPHOLE>s; a blockhouse [SOED, "blockhouse", a]. | 145 |
| BOARDWALK | A walkway made of wooden planks; a boardwalk. | 146 |
| BOAT_LIFT | A mechanical <DEVICE> other than a <HYDROGRAPHIC_LOCK> for lifting <WATER_SURFACE_VESSEL>s between two levels; a boat lift. | 147 |
| BOAT_TURNING_BASIN | A section of <CANAL> and/or <NAVIGABLE_WATERWAY> in which a barge or other <WATER_SURFACE_VESSEL> can be turned; a boat turning basin. | 148 |
| 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; a bog [AHD, "bog", 1a]. | 149 |
| BOLLARD | A post on a <WHARF> used for fastening <MOORING_LINE>s; a bollard. | 150 |
| BOMBER_WINGED_AIRCRAFT | A winged <AIRCRAFT> designed to carry and drop heavy loads of bombs; a bomber. | 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>; a bombora. | 152 |
| BOTANICAL_GARDEN | A culturally designated <TRACT> where <PLANT>s are displayed; a botanical garden. | 153 |
| BOTTOM_CHARACTERISTIC | A characteristic (for example: consistency, colour, and/or classification) of the <OCEAN_FLOOR>; bottom characteristic. | 154 |
| BOULDER_FIELD | A <TERRAIN_SURFACE_REGION> characterized by detached masses of <ROCK> usually having an <<OUTSIDE_DIAMETER>> greater than 25 centimetres; a 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>; a 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>; a boundary monument. | 158 |
| BREACH | An <APERTURE> in an obstacle (for example: a <FORTIFICATION>, a <WALL>, and/or a <TERRAIN_OBSTACLE>), particularly one caused by violence or natural decay; a breach. | 159 |
| BREACH_HOLE | A rough <APERTURE> for entrance and/or egress of <HUMAN>s, typically about 60 centimetres in diameter; a breach hole. | 160 |
| BREAK_LINE | A <LINE> representing the demarcation of a sudden and significant change in the gradient of the <TERRAIN>; a break-line. | 161 |
| BREAKER_REGION | A <WATERBODY_REGION> where <WATER_WAVE>s break over off-lying <SHOAL>s and/or <REEF>s near the <SHORE>; a breaker region. | 162 |
| 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; a breakwater. | 163 |
| 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>); a bridge. A bridge consists of a <SET> of two or more <BRIDGE_PIER>s or <BRIDGE_TOWER>s joined by <BRIDGE_SPAN>s. | 164 |
| BRIDGE_PIER | A pillar or abutment that supports a <BRIDGE_SPAN>; a bridge pier. | 165 |
| BRIDGE_PLATFORM | A <SITE> that has been sculpted (for example: levelled) to support and/or secure a <BRIDGE_PIER>; a bridge platform. | 166 |
| BRIDGE_SPAN | A <COMPONENT> of the deck of a <BRIDGE> spanning successive <BRIDGE_PIER>s; a bridge span. | 167 |
| BRIDGE_SUPERSTRUCTURE | A <SUPERSTRUCTURE> of a <BRIDGE>, above the lowest deck; a bridge superstructure. | 168 |
| BRIDGE_TOWER | A <TOWER> and/or <PYLON> from which the deck of a <BRIDGE> is suspended; a bridge tower. | 169 |
| BRUSH_LAND | A <TRACT> covered by low-growing woody <PLANT>s; brush land. EXAMPLES Scrub, brush, bush. |
170 |
| BUCKET_ELEVATOR | <EQUIPMENT>, usually a series of buckets, for raising <MATERIAL>s to a higher level; a bucket elevator. | 171 |
| BUDDHIST_TEMPLE | A <WORSHIP_PLACE> for Buddhist worship; a 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; a building. | 173 |
| 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_SUPERSTRUCTURE | A <SUPERSTRUCTURE> of a <BUILDING> that rises from the <ROOF> but is not considered to be a <COMPONENT> of the <ROOF>; a building superstructure. | 176 |
| BUILT_UP_REGION | A <TRACT> containing a concentration of <BUILDING>s and other <STRUCTURE>s; a built-up region. | 177 |
| BUILT_UP_TERRAIN | A <TERRAIN_SURFACE_REGION> that has been built-up from its natural configuration. | 178 |
| BUNKER | A reinforced underground <SHELTER>, typically resistant to <MUNITION>s; a 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>); a buoy. | 180 |
| BURIED_ELECTRICAL_CABLE | An <ELECTRICAL_CABLE> located underground and/or underwater; a buried electrical cable. | 181 |
| BURIED_POWER_TRANSMISSION_LINE | A <SYSTEM> of <BURIED_ELECTRICAL_CABLE>s, supports, and conduits that transmits electricity over distance; a buried power transmission line. | 182 |
| BUS_DEPOT | A <STRUCTURE> where buses or coaches are housed and maintained and from which they are dispatched for service; a bus depot. | 183 |
| BUS_STATION | A <STRUCTURE>, usually in a <TOWN> or <CITY>, that serves as a <BUS_STOP>, especially for long-distance buses or coaches; a bus station [SOED, "bus station"]. | 184 |
| BUS_STOP | A <LOCATION> where buses and coaches regularly stop to take on and/or let off passengers; a bus-stop [SOED, "bus-stop"]. | 185 |
| BUSINESS_WINGED_AIRCRAFT | A winged <AIRCRAFT> designed or designated for private business use. | 186 |
| BUTTE | A detached, flat-topped <HILL> or tableland that is smaller than a <MESA> and rises steeply from a surrounding <TERRAIN_PLAIN>; a butte. | 187 |
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