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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
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

Dictionary Entries Near plane geometry

Cite this Entry

“Plane geometry.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/plane%20geometry. Accessed 22 Dec. 2024.

More from Merriam-Webster on plane geometry

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!