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- Dictionaryconcave/ˈkɒnkeɪv/
adjective
- 1. having an outline or surface that curves inwards like the interior of a circle or sphere: "concave lenses"
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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)
The meaning of CONCAVE is hollowed or rounded inward like the inside of a bowl. How to use concave 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)
Definition of concave adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
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.
curving inwards. 2. 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. (of a polygon) containing an interior angle greater than 180°. 4. an obsolete word for hollow.
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.