Quadrant may refer to:

Companies

Quadrant Cycle Company The Quadrant Cycle Company was a company in Birmingham, England that was established in 1890 as a bicycle manufacturer. They advanced to make motorcycles from 1899 until their demise in 1928. They also made a tricar called Carette in 1899 and a sm ...

, 1899 manufacturers in Britain of the Quadrant motorcar * Quadrant (motorcycles), one of the earliest British motorcycle manufacturers, established in Birmingham in 1901 *

Quadrant Private Equity Quadrant Private Equity (also simply known as Quadrant) is an Australian private equity investment firm based in Sydney, Australia. The company was founded as Quadrant Capital in 1996 by Chris Hadley. Quadrant hosts multiple investment funds w ...

, an Australian investment firm * Quadrant Records, an independent record label * Quadrant Televentures Ltd., a subsidiary of Videocon Telecom, India

Geography

* A quadrant or section in a city street nomenclature system, see Address (geography)#Quadrants *

Quadrants of Washington, D.C. Washington, D.C., is administratively divided into four geographical quadrants of unequal size, each delineated by their ordinal directions from the medallion located in the Crypt under the Rotunda of the Capitol. Street and number addressing, ...

Mathematics

Quadrant (circle) A circular sector, also known as circle sector or disk sector (symbol: ⌔), is the portion of a disk (a closed region bounded by a circle) enclosed by two radii and an arc, where the smaller area is known as the ''minor sector'' and the larger ...

, 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) In technical drawing and computer graphics, a multiview projection is a technique of illustration by which a standardized series of orthographic two-dimensional pictures are constructed to represent the form of a three-dimensional object. Up to ...

Military

* , a Second World War British/Australian warship * First Quebec Conference, 1943 (codenamed "QUADRANT")

Science and technology

* Galactic quadrant, one out of four circular sectors in the division of the Milky Way galaxy * Quadrant (abdomen), a division of the abdominal cavity *

Quadrant (architecture) Quadrant in architecture refers to a curve in a wall or a vaulted ceiling. Generally considered to be an arc of 90 degrees (one quarter of a circle), or a half of the more commonly seen architectural feature (a crescent). The quadrant curve was ...

a curve in a wall or vaulted ceiling of a building *

Quadrant (instrument) A quadrant is an instrument used to measure angles up to 90°. Different versions of this instrument could be used to calculate various readings, such as longitude, latitude, and time of day. Its earliest recorded usage was in ancient India in ...

, an angle or time measuring instrument *

Quadrant (semigraphics) Text-based semigraphics or pseudographics is a primitive method used in early text mode video hardware to emulate raster graphics without having to implement the logic for such a display mode. There are two different ways to accomplish the emu ...

, a 2×2 semigraphical pixel array in computing

Places

Quadrant Bus Station Swansea City bus station is a bus station serving Swansea, Wales. It lies immediately to the west of the Quadrant Shopping Centre. The station has 20 stands for local bus services with three more serving national coach services. Coach services ...

, Swansea Wales * Quadrant:MK, Network Rail's headquarters campus in Milton Keynes * Quadrant Park, a nightclub in Liverpool, Merseyside *

Quadrant Shopping Centre The Quadrant Shopping Centre is the principal under-cover shopping centre in Swansea, Wales. The centre opened in 1979. From the 1980s to 2019 it was home to the Swansea Devil, a controversial carved wooden statue of the Devil. The centre and ...

, Swansea, Wales *

The Quadrant ''The'' () is a grammatical article in English, denoting persons or things already mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is the definite article in English. ''The'' is the m ...

, a housing estate in Kingston upon Hull, UK

Other

* ''Quadrant'' (album), a 1977 album by Joe Pass and Milt Jackson * Quadrant (college basketball), a performance measure derived from the Rating Percentage Index * ''Quadrant'' (magazine), an Australian literary and cultural journal * Triumph Quadrant, a four-cylinder motorcycle * A division of dentition - see Glossary of dentistry {{disambiguation