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 produced a Three-wheeler, tricar called "Care ...

, 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, 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.

Mathematics

* Quadrant (circle), a circular sector equal to one-quarter of a circle * Quadrant (plane geometry), a sector of a two-dimensional Cartesian coordinate system * Quadrant (solid geometry)

Military

* , a Second World War British/Australian warship * First

Quebec Conference, 1943 The First Quebec Conference, codenamed Quadrant, was a highly secret military conference held during World War II by the governments of the United Kingdom, Canada, and the United States. It took place in Quebec City on August 17–24, 1943, at bo ...

(codenamed "QUADRANT") * The quadrant sight, an M203 grenade launcher assembly attachment that gets inserted on the left side of the carrying handle on

M16 rifle The M16 (officially Rifle, Caliber 5.56 mm, M16) is a family of assault rifles adapted from the ArmaLite AR-15 rifle for the United States Armed Forces, United States military. The original M16 was a 5.56×45mm NATO, 5.56×45mm automatic ...

Science and technology

* Galactic quadrant, one out of four circular sectors in the division of the Milky Way galaxy *

Quadrant (abdomen) The human abdomen is divided into quadrants and regions by anatomists and physicians for the purposes of study, diagnosis, and treatment. The division into four quadrants allows the localisation of pain and tenderness, scars, lumps, and other i ...

, a division of the abdominal cavity * Quadrant (architecture) a curve in a wall or vaulted ceiling of a building * Quadrant (instrument), an angle or time-measuring instrument * Quadrant (semigraphics), 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 Quadrant Park also known as the Quad or Quaddie was a nightclub in Bootle, UK opened during the late 1980s to the early 1990s. and one of the most important in the UK at the time. and was known to attract a number of international guest DJs. T ...

, 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 an ...

, Swansea, Wales *

The Quadrant ''The'' is a grammatical article in English, denoting nouns that are already or about to be mentioned, under discussion, implied or otherwise presumed familiar to listeners, readers, or speakers. It is the definite article in English. ''The ...

, 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, cultural and centre-right political journal *

Triumph Quadrant The so-called Triumph Quadrant (aka "Quadrent") was a "bitsa" designed and built in secret by Doug Hele in 1973. It was a 1,000 cc four-cylinder motorcycle made up from Trident parts (although the camshaft was sourced from outside the ...

, a four-cylinder motorcycle * A division of dentition - see

Glossary of dentistry This is a list of definitions of commonly used terms of location and direction in dentistry. This set of terms provides orientation within the oral cavity, much as anatomical terms of location provide orientation throughout the body. Terms ...

* Team Quadrant, a video content, apparel and esports team created by Formula One driver Lando Norris {{disambiguation