definitions

# convex

[adjective kon-veks, kuh n-; noun kon-veks]
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having a surface that is curved or rounded outward.Compare concave(def 1).
Mathematics.
1. (of a polygon) having all interior angles less than or equal to 180°.
2. (of a set) having the property that for each pair of points in the set the line joining the points is wholly contained in the set.

### noun

a convex surface, part, or thing.

## Origin of convex

1565–75; < Latin convexus equivalent to con- con- + -vexus, perhaps < *wek-sos, derivative of base of vehere to convey, if original sense was “brought together (to a single point)”
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

## Examples from the Web for convexly

### Historical Examples of convexly

• A convexly carved plate or cupola in which there are three or four holes for finger holds seem to have been lids.

• Paired tentacles short, proximally thick and convexly bulging, abruptly narrowed to an acute tip with incurving sides.

British Dictionary definitions for convexly

## convex

curving or bulging outwards
physics having one or two surfaces curved or ground in the shape of a section of the exterior of a sphere, paraboloid, ellipsoid, etca convex lens
maths (of a polygon) containing no interior angle greater than 180°

### verb

(tr) to make convex
Compare concave

## Word Origin for convex

C16: from Latin convexus vaulted, rounded
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 convexly

## convex

1570s, from Middle French convexe, from Latin convexus "vaulted, arched," past participle of convehere "to bring together," from com- "together," or "thoroughly" (see com-) + vehere "to bring" (see vehicle). Possibly from the idea of vaults carried together to meet at the point of a roof. Related: Convexity. Convex lens is from 1822.

Online Etymology Dictionary, © 2010 Douglas Harper

convexly in Medicine

## convex

[kŏnvĕks′, kən-vĕks]