noun
-
the state or quality of being concave
-
a concave surface or thing; cavity
Other Word Forms
- subconcavity noun
Etymology
Origin of concavity
1350–1400; Middle English concavite < Late Latin concavitāt- (stem of concavitās ). See con-, cave, -ity
Vocabulary lists containing concavity
AB Calculus
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Calculus, List 1
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BC Calculus
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
As with the proposed LCRT, the Arecibo Observatory took advantage of the natural concavity of its resident crater to focus distant radio waves.
From Salon • Sep. 5, 2021
It’s that point on a curve where the sign of the curvature — the concavity — changes.
From New York Times • Mar. 16, 2018
If f ″ changes sign as we pass through a point x, then f changes concavity.
From Textbooks • Mar. 30, 2016
Even before smartphones, feature phones were colloquially known as soapbars because they all adhered to the concavity of the human palm.
From The Verge • Mar. 31, 2015
The concavity in the center of the bed is rectified by sleeping on a folded-up towel, and so forth.
From "Nickel and Dimed: On (Not) Getting By in America" by Barbara Ehrenreich
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
