See also: Quadrant

English edit

 
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Ptolemy using a quadrant (4)

Alternative forms edit

Pronunciation edit

Etymology 1 edit

From Middle English quadrant, from Old French cadran, quadrant and its etymon Latin quadrāns, -antis (fourth part of something, quarter).[1] Doublet of quadrans.

Noun edit

quadrant (plural quadrants)

  1. One of the four sections made by dividing an area with two perpendicular lines.
  2. (mathematics) One of the four regions of the Cartesian plane bounded by the x-axis and y-axis.
  3. (geometry) One fourth of a circle or disc; a sector with an angle of 90°.
  4. (nautical) A measuring device with a graduated arc of 90° used in locating an altitude.
  5. (college basketball) One of the four categories of team wins and losses, as categorized by strength of schedule.
Derived terms edit
Translations edit
See also edit

Etymology 2 edit

From Middle English quadrant, quadrante, from Latin quadrātum; form influenced by Etymology 1.[2] Doublet of quadrat and quadrate.

Noun edit

quadrant (plural quadrants)

  1. (obsolete) A square or quadrangle.

References edit

  1. ^ quā̆drant, n.(1)”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007.
  2. ^ quā̆drant, n.(2)”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007.

Catalan edit

Etymology 1 edit

Borrowed from Latin quadrantem (fourth part of something, quarter).

Pronunciation edit

Noun edit

quadrant m (plural quadrants)

  1. quadrant

Further reading edit

Etymology 2 edit

Verb edit

quadrant

  1. gerund of quadrar

French edit

Etymology edit

Borrowed from Latin quadrantem (fourth part of something, quarter).

Pronunciation edit

Noun edit

quadrant m (plural quadrants)

  1. quadrant

Further reading edit

Latin edit

Verb edit

quadrant

  1. third-person plural present active indicative of quadrō