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- DictionaryCon·cave/ˈkänˌkāv/
adjective
- 1. having an outline or surface that curves inward like the interior of a circle or sphere: "concave lenses"
The meaning of CONCAVE is hollowed or rounded inward like the inside of a bowl. How to use concave in a sentence.
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.
adjective. us / kɑnˈkeɪv, kɑŋ- / Add to word list. curved inward: a concave lens. (Definition of concave from the Cambridge Academic Content Dictionary © Cambridge University Press)
concave | American Dictionary. adjective. us / kɑnˈkeɪv, kɑŋ- / Add to word list. curved inward: a concave lens. (Definition of concave from the Cambridge Academic Content Dictionary © Cambridge University Press)
Definition of concave adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
1. curving inwards. 2. (General Physics) physics having one or two surfaces curved or ground in the shape of a section of the interior of a sphere, paraboloid, etc: a concave lens. 3. (Mathematics) maths (of a polygon) containing an interior angle greater than 180°. 4. an obsolete word for hollow. vb. ( tr) to make concave.
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.
