parallel postulate

American

noun

Geometry.

the axiom in Euclidean geometry that only one line can be drawn through a given point so that the line is parallel to a given line that does not contain the point.

parallel postulate Scientific

See under Euclidean

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parallel postulate

Geometry classes could explore the strange new worlds that arise from adopting different versions of Euclid’s infamous parallel postulate.

From Slate ● Oct. 14, 2016

In it Thompson endeavored to prove the parallel postulate.

From A Budget of Paradoxes, Volume I by David Eugene Smith

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023