concave

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“
Fig. 12 The exact depth of the concave is then calipered in the usual manner as described before.

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Definitions (19)

Toggle American Heritage definitions American Heritage Dictionary (3)

  1. adjective Curved like the inner surface of a sphere.
  2. noun A concave surface, structure, or line.
  3. transitive verb To make concave.

Toggle Century definitions Century Dictionary (12)

Toggle GNU Webster definitions GNU Webster's 1913 (3)

Toggle WordNet definitions WordNet (1)

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Examples (50)

  • I looked out across a horizon that was peculiarly concave, as if I were staring at a world much smaller than ours. —  F ;SF - vol 090 issue 03 - March 1996
  • His shoulders became concave, a trifle saucer-shaped, trying to get away from the hard iron touch of the gun. —  174 - I Died Yesterday
  • Here it was more concave, the clay powdery on the surface. —  David Gemmell - (Lion of Macedon 01) Lion Of Macedon v1.0 (1990).htm
  • The concave, as I said is a little deeper than most, which is sweet for shifty ollies and sticking to your feet on airs. —  Caught in the Crossfire - Articles
  • The concave is a little mellower than I prefer riding, but it ran full length so forwards or backwards it still felt like it wanted to stick to my feet (thankfully!). —  Caught in the Crossfire - Articles
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Roget's II Roget's II: The New Thesaurus

Allen's Allen's Synonyms and Antonyms

Suggestions Wordniks Suggest

Used in the same context Used in the Same Context

convex ·  semicircular ·  elliptical ·  rectangular ·  concentric ·  upper ·  spherical ·  domed ·  rocky ·  conical ·  parabolic ·  hemispherical
Roget's II: The New Thesaurus, Third Edition by the Editors of the American Heritage® Dictionary. Copyright © 2003, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Etymologies (3)

Toggle American Heritage etymologies American Heritage Dictionary (1)

  1. Middle English, from Latin concavus : com-, intensive pref.; see com- + cavus, hollow; see keuə- in Indo-European roots.

Toggle Century etymologies Century Dictionary (2)

  1. = Dutch konkaaf = German concav = Danish Swedish konkav, from French concave = Provencal concau = Spanish cóncavo = Portuguese Italian concavo, from Latin concarus, hollow, arched, vaulted, from com- + cavus, hollow: see cave.
  2. from Latin concavare, hollow out, from concavus, hollow: see concave, adjective
 

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/ˈkɑnkeɪv/
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