cross ratio


noun Geometry.

a ratio relating four points in the real or complex plane.

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What does “clement” mean?
Also called anharmonic ratio .

Origin of cross ratio

First recorded in 1880–85

OTHER WORDS FROM cross ratio

cross-ra·ti·o, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for cross ratio