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WordReference Random House Unabridged Dictionary of American English © 2024quad•ra•ture (kwod′rə chər, -chŏŏr′),USA pronunciation n. - Mathematicsthe act of squaring.
- [Math.]
- Mathematicsthe act or process of finding a square equal in area to a given surface, esp. a surface bounded by a curve.
- Mathematicsthe act or process of finding an area or calculating an integral, esp. by numerical methods.
- a definite integral.
- Astronomy
- the situation of two heavenly bodies when their longitudes differ by 90°.
- either of the two points in the orbit of a body, as the moon, midway between the syzygies.
- (of the moon) those points or moments at which a half moon is visible.
- Electronicsthe relation between two signals having the same frequency that differ in phase by 90°.
- Latin quadrātūra, equivalent. to quadrāt(us) (past participle of quadrāre; see quadrate) + -ūra -ure
- 1545–55
Collins Concise English Dictionary © HarperCollins Publishers:: quadrature /ˈkwɒdrətʃə/ n - 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
- 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
- the relationship between two waves that are 90° out of phase
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