euclidean geometry

noun

often capitalized E

: geometry based on Euclid's axioms

: the geometry of a euclidean space

Word History

First Known Use

circa 1865, in the meaning defined at sense 1

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The first known use of euclidean geometry was circa 1865

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“Euclidean geometry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/euclidean%20geometry. Accessed 31 Oct. 2025.

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euclidean geometry

noun

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