convex

[adj. kon-veks, kuh n-; n. kon-veks] /adj. kɒnˈvɛks, kən-; n. ˈkɒn vɛks/
adjective
1.
having a surface that is curved or rounded outward.
Compare concave (def 1).
2.
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
3.
a convex surface, part, or thing.
Origin
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)”
Related forms
convexly, convexedly
[kuh n-vek-sid-lee] /kənˈvɛk sɪd li/ (Show IPA), adverb
convexedness, noun
subconvex, adjective
Examples from the web for convex
  • Shaping the hyperbolic, convex curve of the secondary mirror proved troublesome.
  • Again, the deeply modeled convex surfaces are backed by smoothed-out flat planes.
  • Its ilium is distinctive, being dorsally convex in profile and with a thick dorsal margin.
  • They come in nine positive-negative pairs: one with a convex top and a drainage trough around the rim, the other concave.
  • The mirrors work on the same principal as those big convex mirrors mounted at the corners of large parking garages.
  • The way he contrasts convex shapes with concave ones also stays in memory.
  • In other places, he could learn about convex shapes from yellowed bulges near the ceiling.
  • Rear visibility isn't great, but small convex side mirrors and an optional rear-view camera help.
  • The convex canvas was flattened against the wall behind it, and many of the remnants of the tattered blue sky were shorn off.
  • There's a three-dimensional, convex quality to the image.
British Dictionary definitions for convex

convex

/ˈkɒnvɛks; kɒnˈvɛks/
adjective
1.
curving or bulging outwards
2.
(physics) having one or two surfaces curved or ground in the shape of a section of the exterior of a sphere, paraboloid, ellipsoid, etc: a convex lens
3.
(maths) (of a polygon) containing no interior angle greater than 180°
verb
4.
(transitive) to make convex
Compare concave
Derived Forms
convexly, adverb
Word Origin
C16: from Latin convexus vaulted, rounded
Word Origin and History for convex
adj.

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.

convex in Medicine

convex con·vex (kŏn'věks', kən-věks')
adj.
Having a surface or boundary that curves or bulges outward, as the exterior of a sphere.

con·vex'i·ty n.
convex in Science
convex
  (kŏn'věks')   
Curving outward, like the outer boundary of a circle or sphere.