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Quadrant may refer to: Primary (geometrical) meanings: * Quadrant (circle), a circular sector equal to one quarter of a circle, or half a semicircle * Quadrant (plane geometry), a sector of a two-dimensional cartesian coordinate system * Quadrant (solid geometry) * A quadrant or section in a city street nomenclature system, see Address (geography)#Quadrants Secondary meanings: * Quadrant (anatomy), a division of the abdominal cavity * Quadrant (Antarctica), one of four wedge-shaped divisions of Antarctica delimited by 90° lines of longitude converging at the South Pole * Quadrant (architecture) a building which arcs in 90 degree manner * Quadrant (astronomy), a rectangular division of the celestial sphere * Quadrant (dentistry), a division of the dentition in humans and other species * Galactic quadrant, one of four circular sectors in the division of the Milky Way galaxy * Quadrant (instrument), an angle or time measuring instrument * Quadrant (motorcycles), one of the earliest British motorcycle manufacturers, established in Birmingham in 1901 Proper names: * Quadrant Cycle Company, 1899 manufacturers in Britain of the Quadrant motorcar * ''Quadrant'' (magazine), an Australian journal * ''Quadrant'' (album), a 2015 album by Joe Pass and Milt Jackson Names of places etc. * Quadrant Bus Station, Swansea Wales * Quadrant Shopping Centre, Swansea, Wales * Quadrant Park, a nightclub in Liverpool, Merseyside * Quadrant:MK, Network Rail's headquarters campus in Milton Keynes * HMS Quadrant (G11), a Second World War British/Australian warship * First Quebec Conference, 1943 (codenamed "QUADRANT") * Quadrant Records, an independent record label * Triumph Quadrant, a four-cylinder motorcycle * The Quadrant, housing estate in Kingston upon Hull, UK 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Quadrant」の詳細全文を読む スポンサード リンク
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