[ kwod-ruh-cher, -choor ]
/ ˈkwɒd rə tʃər, -ˌtʃʊər /
Save This Word!

the act of squaring.
  1. the act or process of finding a square equal in area to a given surface, especially a surface bounded by a curve.
  2. the act or process of finding an area or calculating an integral, especially by numerical methods.
  3. a definite integral.
  1. the situation of two heavenly bodies when their longitudes differ by 90°.
  2. either of the two points in the orbit of a body, as the moon, midway between the syzygies.
  3. (of the moon) those points or moments at which a half moon is visible.
Electronics. the relation between two signals having the same frequency that differ in phase by 90°.
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help

Origin of quadrature

1545–55; <Latin quadrātūra, equivalent to quadrāt(us) (past participle of quadrāre;see quadrate) + -ūra-ure
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use quadrature in a sentence

British Dictionary definitions for quadrature

/ (ˈkwɒdrətʃə) /

maths the process of determining a square having an area equal to that of a given figure or surface
the process of making square or dividing into squares
astronomy a configuration in which two celestial bodies, usually the sun and the moon or a planet, form an angle of 90° with a third body, usually the earth
electronics the relationship between two waves that are 90° out of phase
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for quadrature

[ kwŏdrə-chur′ ]

The process of constructing a square equal in area to a given surface.
A configuration in which the position of one celestial body is 90° from another celestial body, as measured from a third. For example, the half moon lies in quadrature from the Sun when Earth is the reference point. See more at elongation.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.