plural concavities
1
: a concave line, surface, or space : hollow
2
: the quality or state of being concave

Examples of concavity in a Sentence

the concavity of the lens The lower back forms a concavity. The large concavities along the wall of the restaurant are like private rooms.
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.
Antonio Stradivari, for instance, carefully tinkered with the geometry of his violins—the relative concavity of the back and the front, the thickness of the wood—to produce his legendary results. Chris Almeida, The New Yorker, 6 Jan. 2024 Fluted white marble columns sit on black granite pedestals, carrying the eye upward to where lines slide over, folds narrow, and concavities become convex. Justin Davidson, Curbed, 3 Aug. 2023

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of concavity was in the 15th century

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Cite this Entry

“Concavity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/concavity. Accessed 25 Mar. 2025.

Medical Definition

concavity

noun
plural concavities
1
: a concave surface or space
2
: the quality or state of being concave
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