quadrature Hear it!

quadrature definition

quad·ra·ture (kwä′drə c̸hər)

noun

  1. the act of squaring
  2. the construction of a square equal in area to a given surface the quadrature of a circle
  3. Astron. a configuration of a superior planet or the moon in which the angle between it and the sun, as seen from the earth, is 90°

Etymology: LL quadratura < L quadratus: see quadrate

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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