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

Jul 13, 2021 · Concave and convex are literal opposites—one involves shapes that curve inward and the other involves shapes that curve outward. The terms can be used generally, but …

Therefore, a concave body may be virtually cut into several convex subbodies at the stage of creating the geometry model of the body. Firstly, note that with a concave tax schedule, the …

May 22, 2019 · Concave describes shapes that curve inward, like an hourglass. Convex describes shapes that curve outward, like a football (or a rugby ball). If you stand in front of a concave …

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

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, …

...the concave bottom of an empty hair spray container. Synonyms: hollow , cupped , depressed , scooped More Synonyms of concave Collins COBUILD Advanced Learner’s Dictionary .

curved like a segment of the interior of a circle or hollow sphere; hollow and curved. Compare convex ( def 1 ). Geometry. (of a polygon) having at least one interior angle greater than 180°. …

Concave describes an inward curve; its opposite, convex, describes a curve that bulges outward. They are used to describe gentle, subtle curves, like the kinds found in mirrors or lenses.

Mar 31, 2025 · concave (comparative more concave, superlative most concave) Curved like the inner surface of a sphere or bowl. (geometry, not comparable, of a polygon) Not convex; …