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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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noun. con· cave ˈkän-ˌkāv. : a concave line or surface. Synonyms. Adjective. dented. depressed. dished. hollow. indented. recessed. sunken. See all Synonyms & Antonyms in Thesaurus. Examples of concave in a Sentence. Adjective a concave lens. Recent Examples on the Web.
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)
adjective. us / ˈkɑːn.keɪv / uk / ˈkɒŋ.keɪv / Add to word list. curving in: a concave lens. Compare. convex. SMART Vocabulary: related words and phrases. Geometry: properties of circles & curves. amplitude. arched. bore. circularity. circumferential. concavity. concentrically. conic. curvy. domed. eccentric. girth. globular. incisura. lenticular.
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.
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.
Definition of concave adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
A complete guide to the word "CONCAVE": definitions, pronunciations, synonyms, grammar insights, collocations, examples, and translations.
Oct 26, 2024 · 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 at least one internal angle greater than 180 degrees.
adjective. uk / ˈkɒnkeɪv / us. Add to word list Add to word list. A concave surface curves inwards: a concave lens. (Definition of concave from the Cambridge Learner's Dictionary © Cambridge University Press)
adj. Mathematics curved like a segment of the interior of a circle or hollow sphere; hollow and curved. Cf. convex (def. 1). Mathematics [ Geom.](of a polygon) having at least one interior angle greater than 180°. [ Obs.]hollow. n. Mathematics a concave surface, part, line, or thing.
