convex
adjective /ˈkɒnveks/
/ˈkɑːnveks/
- (of an outline or a surface) curving out
enlarge image- a convex lens/mirror
- The surface is slightly convex.
Extra ExamplesTopics Colours and Shapesc2- A convex lens is thicker at its centre than at its edges.
- A reflection in a convex mirror is smaller than the same reflection in a flat mirror.
Oxford Collocations DictionaryConvex is used with these nouns:- mirror
Word Originlate 16th cent.: from Latin convexus ‘vaulted, arched’.
