- having a surface that is curved or rounded outward.Compare concave(def 1).
- (of a polygon) having all interior angles less than or equal to 180°.
- (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.
- a convex surface, part, or thing.
Origin of convex
Examples from the Web for convex
A convex lens is fixated on a slanted ceiling emanating a faint amount of soft white light.Mariko Mori Rebirth at the Japan Society
October 10, 2013
On these, magnified by their convex lenses of water, we pounced.
The globe at last became concave, then, after they entered its atmosphere, convex.The Bluff of the Hawk
The pileus is fleshy, convex, then expanded, and at length depressed.
Pileus fleshy, convex, glabrous, grayish-red or chestnut-color.
The lamplight was reflected at a single point from its convex surface.Masterpieces of Mystery
- 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°
- (tr) to make convex
Word Origin and History for 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.
- Having a surface or boundary that curves or bulges outward, as the exterior of a sphere.
- Curving outward, like the outer boundary of a circle or sphere.