Origin of concavity
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for concavity
The shell was slightly concave, the concavity turned to the front.The Scalp Hunters
And otherwise unlike a volcanic crater is the concavity itself.The Lone Ranche
Captain Mayne Reid
It is circular, and is placed on the concavity of the ventral flexure.The Works of Francis Maitland Balfour, Volume 1
Francis Maitland Balfour
Petals numerous, small, 1-lipped, the concavity near the base.
Three, however, had had their concavity partly whittled flat.Mohave Pottery
Alfred L. Kroeber
- the state or quality of being concave
- a concave surface or thing; cavity
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for concavity
c.1400, from Old French concavité "hollow, concavity" (14c.) or directly from Latin concavitatem (nominative concavitas), from Latin concavus "hollow" (see concave).
Online Etymology Dictionary, © 2010 Douglas Harper
- A hollow or depression that is curved like the inner surface of a sphere.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.