(functional analysis, not comparable, of a real-valued function on the reals) having an epigraph that is a convex set.
(geometry, not comparable, of a polygon) having no internal angles greater than 180 degrees.
(mathematics, not comparable, of a set in Euclidean space) arranged such that for any two points in the set, a straight line between the two points is contained within the set.
Curved or bowed outward like the outside of a bowl, circle, or sphere.
noun
(gambling) A playing card made convex for use in cheating.
(gambling) A small convex mirror used to cheat by observing other players' cards.
