| Label | Concept definition | Figure(s) | Code |
|---|---|---|---|
| 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 | |
| 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 | |
| PALACE_COMPLEX | A <PALACE> and one or more associated <BUILDING>s; palace complex. | 845 | |
| 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 | |
| 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 | |
| PARK | A <PLANETARY_SURFACE_REGION> used for recreational or ornamental purposes; park. | 849 | |
| PARKING_GARAGE | A <BUILDING> or indoor space used to park or keep <MOTOR_VEHICLE>s; parking garage. | 850 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| PERMANENT_SNOWFIELD | A permanent <SNOWFIELD>. | 856 | |
| 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 | |
| PETROLEUM_FACILITY | A <FACILITY> involved in the production or distribution of <PETROLEUM>, oil, and/or natural gas products [DFDD, Feature Dictionary: AC040]. | 860 | |
| PETROLEUM_FIELD | A <TRACT> where <PETROLEUM> is pumped or otherwise removed from the ground; petroleum field. | 861 | |
| PETROLEUM_REFINERY | An <INDUSTRIAL_WORKS> for refining and purifying <PETROLEUM>; petroleum refinery. | 862 | |
| 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 | |
| PICNIC_TRACT | A <TRACT> that has picnic tables for public use. | 865 | |
| 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 | |
| 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 | |
| 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 | |
| PIPELINE | A <NON_EMPTY_SET> or connected <SET> of <PIPE>s for conveying liquids, slurries, or gases, often underground; pipeline. | 869 | |
| 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 | |
| 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 | |
| PLANETARY_POLE | Either of the two <LOCATION>s where the axis of rotation of a <PLANET> intersects the <PLANETARY_SURFACE>; planetary pole. | 874 | |
| 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 | |
| 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 | |
| PLANT_NURSERY | A <FACILITY> where <PLANT>s are grown for transplanting, seed, or grafting; plant nursery. | 879 | |
| 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 | |
| PLATEAU | A relatively flat <TERRAIN_SURFACE_REGION> that falls off gradually on at least one side; plateau. | 881 | |
| 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 | |
| PLUTO | The <DWARF_PLANET> of the <SUN> whose orbit is primarily outside that of <NEPTUNE>; Pluto. | 883 | |
| POD | A <SET> of two or more seals or <WHALE>s closely clustered together; pod. | 884 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| PORPOISE | A small to moderate sized member of the order Cetacea, suborder Odontoceti, family Phocaenidae; porpoise. | 893 | |
| 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 | |
| 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 | |
| POTENTIAL_TEMPERATURE- _INVERSION_LAYER |
A layer in an <ATMOSPHERE> where the <<POTENTIAL_AIR_TEMPERATURE>> increases with <<HEIGHT_AGL>>; potential temperature inversion layer. | 1439 | |
| POWER_GENERATION_BUILDING | A <BUILDING> and associated <EQUIPMENT> used for the generation of electric power; power generation building. | 896 | |
| POWER_PLANT | A <FACILITY> including one or more <POWER_GENERATION_BUILDING>s; power plant. | 897 | |
| 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 | |
| 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 | |
| POWER_TRANSMISSION_LINE_PYLON | A <PYLON> or <POLE> used to support a <POWER_TRANSMISSION_LINE>. | 900 | |
| 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 | |
| PRECIPITATION_REGION | A <REGION> where <PRECIPITATION> is occurring. | 903 | |
| PRECOLLEGIATE_CAMPUS | A <FACILITY> used for precollegiate instruction (generally of children); precollegiate campus. | 904 | |
| 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 | |
| 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 | |
| PREVAILING_CURRENT | A <WATERBODY_CURRENT> most frequently observed during a given observation period, usually a month, season, or year; prevailing current. | 909 | |
| PRISON | A <DETENTION_FACILITY> where long (usually more than one year) sentences for criminal misconduct can be served; prison. | 910 | |
| 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 | |
| PROCESSING_FACILITY | A <FACILITY> including one or more <PROCESSING_BUILDING>s; processing facility. | 912 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| 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 | |
| PUMP_OUT_FACILITY | A <FACILITY> with <EQUIPMENT> to pump out waste liquids from <VEHICLE>s; pump out facility. | 924 | |
| 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 | |
| PUMPING_STATION | A <FACILITY> to move slurries, liquids, or gases by means of pressure or suction; pumping station. | 926 | |
| PYLON | A tall <STRUCTURE> erected as a support; pylon [SOED, "pylon", 4.a]. | 927 |
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