noun
the quality or state of being convex; a curved shape that bulges outward
adjective
convex
-
The convexity of the lens causes light to converge at a focal point.
-
The convexity of the mirror makes things look bigger.
-
I love how the convexity of the sunglasses makes my face look slimmer.
-
The convexity of her argument made it impossible to refute.