concave definition | Dictionary.com

Synonyms of concave

cavernous, indented, sunken, arched, depressed, hollow, rounded,

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concave

9 dictionary results for: concave

Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This

con·cave

[adj., v. kon-keyv, kon-keyv; n. kon-keyv] Pronunciation Key adjective, noun, verb, -caved, -cav·ing.

–adjective

1.	curved like a segment of the interior of a circle or hollow sphere; hollow and curved. Compare convex (def. 1).

2.	Geometry. (of a polygon) having at least one interior angle greater than 180°.

3.	Obsolete. hollow.

–noun

4.	a concave surface, part, line, or thing.

5.	Machinery. a concave piece, as one against which a drum rotates.

–verb (used with object)

6.	to make concave.

[Origin: 1375–1425; late ME (< MF) < L concavus, hollow. See con-, cave

]

—Related forms

con·cave·ly, adverb

con·cave·ness, noun

Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.

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American Heritage Dictionary - Cite This Source - Share This

con·cave (kŏn-kāv', kŏn'kāv') Pronunciation Key

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adj.   Curved like the inner surface of a sphere.

n.   A concave surface, structure, or line.

tr.v.   con·caved, con·cav·ing, con·caves
To make concave.

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

con·cave'ly adv., con·cave'ness n.

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

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Online Etymology Dictionary - Cite This Source - Share This
concave

1571, from L. concavus "hollow," from com- intensive prefix + cavus "hollow" (see cave (n.)).

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WordNet - Cite This Source - Share This

concave
adjective
curving inward [ant: bulging]

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The American Heritage Science Dictionary - Cite This Source - Share This

concave (kŏn'kāv') Pronunciation Key

Curved inward, like the inside of a circle or sphere.

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.

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American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

concave con·cave (kŏn-kāv', kŏn'kāv')
adj.
Curved like the inner surface of a sphere. n.
A concave surface, structure, or line.

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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Concave

Con"cave\ (k[o^][ng]*k[=a]*v" or k[o^]n"-; 277), a. [L. concavus; con- + cavus hollow: cf. F. concave. See Cave a hollow.]

1. Hollow and curved or rounded; vaulted; -- said of the interior of a curved surface or line, as of the curve of the of the inner surface of an eggshell, in opposition to convex; as, a concave mirror; the concave arch of the sky.

2. Hollow; void of contents. [R.]

As concave . . . as a worm-eaten nut. --Shak.

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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Concave

Con"cave\, n. [L. concavum.]

1. A hollow; an arched vault; a cavity; a recess.

Up to the fiery concave towering hight. --Milton.

2. (Mech.) A curved sheath or breasting for a revolving cylinder or roll.

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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Concave