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