convex

 
Pronunciation: /ˈkɒnvɛks/

adjective

  • 1having an outline or surface curved like the exterior of a circle or sphere: a convex lensCompare with concave.
  • 2(of a polygon) not having any interior angles greater than 180°.

Derivatives

convexity

Pronunciation: /-ˈvɛksɪti/
noun

convexly

adverb

Origin:

late 16th century: from Latin convexus 'vaulted, arched'