convex

About 3.56 uses per million words.

Meaning

1. adjective Curved or bowed outward like the outside of a bowl, circle, or sphere.
2. adjective having an epigraph that is a convex set.
3. adjective having no internal angles greater than 180 degrees.
4. adjective arranged such that for any two points in the set, a straight line between the two points is contained within the set.
5. noun Any convex body or surface.
6. noun A playing card made convex for use in cheating.
7. noun A small convex mirror used to cheat by observing other players' cards.
8. verb To form a convex curve or surface; to become convex.

Similar words

biconvex planoconvex lenticular lentiform gibbous bulging gibbose hogged broken-backed convexo-concave

Often followed by

lens and surface side in hull mirror or lenses