Definition of concave adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

The meaning of CONCAVE is hollowed or rounded inward like the inside of a bowl. How to use concave in a sentence.

Sep 9, 2023 · Concave lenses focus light inside the curve of the lens, while convex lenses focus light using the outer curve. A lens that curves like a “C” (no flat side) is both concave or …

CONCAVE definition: curved like a segment of the interior of a circle or hollow sphere; hollow and curved. See examples of concave used in a sentence.

1. curved or hollowed inward like the inside of a circle or sphere. Compare convex (def. 1). 2. (of a polygon) having at least one interior angle greater than 180°. n. 3. a concave surface, part, …

Add to word list curved inward: a concave lens (Definition of concave from the Cambridge Academic Content Dictionary © Cambridge University Press)

Concave function, the negative of a convex function Concave polygon, a polygon which is not convex Concave set The concavity of a function, determined by its second derivative