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Euclidean geometry

American  

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.


Etymology

Origin of Euclidean geometry

First recorded in 1860–65

Example Sentences

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Manifolds are objects that on a zoomed-in, ‘local’ scale appear indistinguishable from the plane or higher-dimensional space described by Euclidean geometry.

From Scientific American Mar. 28, 2022

Wordsworth imagined that Euclidean geometry “wedded soul to soul in purest bond / Of reason, undisturbed by space or time.”

From New York Times May 18, 2021

Does democracy follow from the Constitution like a proof of Euclidean geometry?

From Slate Aug. 6, 2018

Traditional, Euclidean geometry rests on the assumption that parallel lines stay at the same distance from each other forever, neither touching nor drifting apart.

From Nature Mar. 20, 2017

Every theorem in Euclidean geometry can be dualized in projective geometry, setting up a whole set of new theorems in the parallel universe of projective geometry.

From "Zero: The Biography of a Dangerous Idea" by Charles Seife

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