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 convex, …

Mar 2, 2021 · A concave is any line or surface that curves inward. (This line is a concave.) A convex is any line or surface that curves outward. (This surface is a convex.) It is not as common to use …

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, line, or …

Jan 20, 2026 · Adjective 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; having …

Illustrated definition of Concave: Curved inwards. Example: A polygon (which has straight sides) is concave when there are dents or indentations...

Examples of this include intersecting concave and convex surfaces and vertical sculpted features on the front fascia, which are balanced by the horizontal headlamps.

Definition: Concave The word “concave” means curved inwards or a "cave" inside. Concave shapes are those shapes in which at least two sides are pushed inwards. Can you think of any space object that …