quadrature

noun quad·ra·ture \ ˈkwä-drə-ˌchu̇r , -chər , -ˌtyu̇r , -ˌtu̇r \

Definition of quadrature

1 :a configuration in which two celestial bodies (such as the moon and the sun) have an angular separation of 90 degrees as seen from the earth
2 :the process of finding a square equal in area to a given area

First Known Use of quadrature

1591


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