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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)
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. : hollowed or rounded inward like the inside of a bowl. a concave lens. 2. : arched in : curving inused of the side of a curve or surface on which neighboring normals to the curve or surface converge and on which lies the chord joining two neighboring points of the curve or surface. concave. 2 of 2. noun. con· cave ˈkän-ˌkāv.
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 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.
adj. 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.
1. 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. verb. 5. (transitive) to make concave. Compare convex.
adjective. Having a surface that is curved like the inside of a bowl. Webster's New World. Similar definitions. (set theory, not comparable, of a set) Not convex; arranged such that there exist at least two points for which a straight line between these points does not lie wholly within the set. Wiktionary.
(Definition of concave from the Cambridge Learner's Dictionary © Cambridge University Press) Translations of concave in Chinese (Traditional)
