Quadrant may refer to:

Primary (geometrical) meanings:

  • A sector equal to one quarter of a circle, or half a semicircle, see Circular sector
  • 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 (architecture) a building which arcs in 90 degree manner
  • Quadrant (astronomy), a rectangular division of the celestial sphere
  • 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)

Proper names:

  • Quadrant Cycle Company, 1899 manufacturers in Britain of the Quadrant motorcar
  • Quadrant (magazine), an Australian journal
  • Quadrant (album), a 1977 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

Other articles related to "quadrant, quadrants":

Left Lower Quadrant
... The left lower quadrant (abbreviated LLQ) of the human abdomen is the area left of the midline and below the umbilicus ... The abdomen is divided into quadrants by doctors to localise pain and tenderness, scars, lumps and other items of interest ... The equivalent term for animals is left posterior quadrant ...
List Of Star Trek Regions Of Space - Galactic Quadrants - The "Gamma Quadrant"
... of Deep Space Nine—controls a large portion of this quadrant ... The Alpha Quadrant comes in contact with the Dominion—ruled by the Founder class of the Changelings—through the Bajoran wormhole, which is the primary source of ...
List Of Star Trek Regions Of Space - Galactic Quadrants - The "Delta Quadrant"
... Most of the information about the Delta Quadrant and its inhabitants comes from the series Star Trek Voyager ... This quadrant is largely unexplored by the United Federation of Planets, apart from the voyages of the USS Voyager, the USS Equinox, the USS Raven, briefly the USS Enterprise NCC-1701-D, and the Federation citizens ... The Delta Quadrant is home to the Borg Collective, the Kazon, the Vidiians, the Talaxians, the Ocampa, the Hirogen, and the Malon ...
Sine Quadrant
... The sine quadrant (Arabic Rubul mujayyab, الربع المجيب) was a type of quadrant used by medieval Arabic astronomers ... It is also known as a "sinecal quadrant" in the English-speaking world ...