English Explanatory Dictionary

quadrant

English dictionary entry

Meanings

noun
  1. One of the four sections made by dividing an area with two perpendicular lines.
  2. One of the four regions of the Cartesian plane bounded by the x-axis and y-axis.
  3. One fourth of a circle or disc; a sector with an angle of 90°.
  4. A measuring device with a graduated arc of 90° used in locating an altitude.
  5. One of the four categories of team wins and losses, as categorized by strength of schedule.
noun
  1. A square or quadrangle.

Pronunciation

kwŏdʹrənt /ˈkwɒd.ɹənt/ LL-Q1860 (eng)-Vealhurl-quadrant.wav kwŏʹdrənt /ˈkwɑ.dɹənt/ /ˈkwɔd.ɹənt/ [ˈkwɔ̟d.ɹənt]

Word forms

quadrant quadrants quadraunt

Etymology

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

Related words

octant sextant

Derived words

abdominal quadrant four-quadrant Gunter's quadrant interquadrant quadrantanopia quadrantectomy quadrantic quadrantlike quadrantly quadrant plate
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