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cross ratio
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noun Geometry.
a ratio relating four points in the real or complex plane.
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Also called anharmonic ratio .
Origin of cross ratio
First recorded in 1880–85
OTHER WORDS FROM cross ratio
cross-ra·ti·o, adjectiveWords nearby cross ratio
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023