Euclidean geometry

noun

1. geometry based upon the postulates of Euclid, especially the postulate that only one line may be drawn through a given point parallel to a given line.

Word History and Origins

Origin of Euclidean geometry¹

First recorded in 1860–65

Example Sentences

On this postulate hang all the "law and the prophets" of the non-Euclidean Geometry.

From Project Gutenberg

The proof itself is borrowed, with slight alterations, from Cuthbertson's "Euclidean Geometry."

From Project Gutenberg