Table 5.19 — ECs whose label begins with O
Label | Concept definition | Code |
OASIS | A small, isolated, fertile, or green <TRACT> in a <DESERT_REGION> usually having a <WATERING_PLACE>; an oasis. | 817 |
OBJECT | A person, place, thing, or concept; an 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 |
OBSERVATORY | An <OBSERVATION_STATION> designed and equipped for making observations of astronomical, meteorological, or other natural phenomena; an 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>; an occluded front. | 823 |
OCCUPATION_ZONE | A <REGION> temporarily held and controlled by a hostile military force; an occupation zone. | 824 |
OCEAN | One of the major divisions of an expanse of salt <WATER> covering a <PLANETARY_SURFACE>; an ocean. | 825 |
OCEAN_BASIN | A <TERRAIN_DEPRESSION> of an <OCEAN_FLOOR> approximately equidimensional in plan view and of variable extent; a basin. | 826 |
OCEAN_FLOOR | The <WATERBODY_FLOOR> of an <OCEAN>. | 827 |
OFF_ROUTE_BEARING | The <DIRECTION> and distance from an <AID_TO_NAVIGATION> to a defined <WAYPOINT>; an off route bearing. | 828 |
OFFSHORE_LOADING_FACILITY | A <FACILITY> located in a <WATERBODY> for loading and unloading <CARGO>; an offshore loading facility. | 829 |
OFFSHORE_PLATFORM | A <STRUCTURE> placed in a <WATERBODY> and used: for production, loading, and discharge; as an <OBSERVATION_STATION>; or as a <SCIENCE_FACILITY>; an offshore platform. | 830 |
OIL_BARRIER | A floating <BARRIER> to stop and contain oil flow on a <WATERBODY_SURFACE>; an oil barrier. | 831 |
OIL_DRILLING_RIG | A <RIG> assembled primarily for the purpose of drilling an oil <WELL>; an oil drilling rig. | 832 |
OPEN_AIR_BATH | An open air bath. | 833 |
OPEN_WATER | A <WATERBODY_REGION> where the <WATER> is flowing or free standing; open water. | 834 |
OPERA_HOUSE | A <BUILDING> that houses a <THEATRE> designed chiefly for the performance of operas. | 835 |
ORCHARD | A <TREED_TRACT> devoted to the cultivation of fruit or nut <TREE>s; an orchard [AHD, "orchard", 1]. | 836 |
ORE_REFINERY | An <INDUSTRIAL_WORKS> for purifying ores (for example: copper and/or silver) and extracting from them various metal and chemical products; an ore refinery. | 837 |
OUTBUILDING | A small <BUILDING> that is separate from but is located near a main <BUILDING>; an outbuilding. | 838 |
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>; an overfall region. | 839 |
OVERHEAD_OBSTRUCTION | An overhead obstruction (for example: an underpass, an overhead <PIPELINE>, and/or the overhang of a <BUILDING>) on a <TRANSPORTATION_ROUTE>. | 840 |
OVERPASS | A <BRIDGE> used to provide clearance to traffic on a <LAND_TRANSPORTATION_ROUTE> at a lower elevation; an overpass. | 841 |
http://www.iso.ch/iso/en/ittf/PubliclyAvailableStandards/ISO_IEC_18025_Ed1.html