plane geometry

noun

: a branch of elementary geometry that deals with plane figures

Examples of plane geometry in a Sentence

Recent Examples on the Web

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All this talk of plane geometry is hard to visualize, so L’Engle’s 1962 novel comes complete with a diagram. —

refinery29.com, 7 Mar. 2018

Word History

First Known Use

1747, in the meaning defined above

Time Traveler

The first known use of plane geometry was in 1747

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Cite this Entry

Style

“Plane geometry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plane%20geometry. Accessed 17 Nov. 2024.

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