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adjective
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.
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Concaved
is always a great word to know.
So is quincunx. Does it mean:
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
verb (used with object)
6.
to make concave.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source
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Link To concaved
Etymonline
Word Origin & History
concave
1570s, from L. concavus "hollow," from com- intensive prefix + cavus "hollow" (see cave (n.)).
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary
concave con·cave (kŏn-kāv', kŏn'kāv')
adj.
Curved like the inner surface of a sphere. n.
A concave surface, structure, or line.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
concave  (kŏn'kāv') Pronunciation Key
Curved inward, like the inside of a circle or sphere. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
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