concave, concavity

   To be concave is to have a surface or boundary that curves or bulges inward, as does the inner surface of a hemisphere. Concavity is the state of being concave. (A tip to assist in remembering: caves and cavities go in, while convexities go out.)

Glossary of Art Terms. 2014.

Look at other dictionaries:

  • concavity — c.1400, from O.Fr. concavité hollow, concavity (14c.) or directly from L. concavitatem (nom. concavitas), from L. concavus hollow (see CONCAVE (Cf. concave)) …   Etymology dictionary

  • Concavity — Con*cav i*ty, n.; pl. {Concavities}. [L. concavitas: cf. F. concavit[ e]. See {Concave}.] A concave surface, or the space bounded by it; the state of being concave. [1913 Webster] …   The Collaborative International Dictionary of English

  • concavity — [kän kav′ə tē, kənkav′ə tē] n. [ME & OFr concavite < LL concavitas] 1. the quality or condition of being concave 2. pl. concavities a concave surface, line, etc …   English World dictionary

  • concavity — concave ► ADJECTIVE ▪ having an outline or surface that curves inwards like the interior of a sphere. Compare with CONVEX(Cf. ↑convexly). DERIVATIVES concavity noun. ORIGIN Latin concavus, from cavus hollow …   English terms dictionary

  • concave — ► ADJECTIVE ▪ having an outline or surface that curves inwards like the interior of a sphere. Compare with CONVEX(Cf. ↑convexly). DERIVATIVES concavity noun. ORIGIN Latin concavus, from cavus hollow …   English terms dictionary

  • Concavity — (Roget s Thesaurus) < N PARAG:Concavity >N GRP: N 1 Sgm: N 1 concavity concavity depression dip Sgm: N 1 hollow hollow hollowness Sgm: N 1 indentation indentation intaglio cavity dent dint dimp …   English dictionary for students

  • Concave function — In mathematics, a concave function is the negative of a convex function. A concave function is also synonymously called concave downwards, concave down, convex upwards, convex cap or upper convex. Contents 1 Definition 2 Properties 3 Examples …   Wikipedia

  • concavity — I (New American Roget s College Thesaurus) Shape like the inside of a sphere or circle Nouns 1. concavity, depression, dip, hollow, indentation, cavity, hole, dent, dint, dimple, follicle, pit, sinus alveolus; excavation, crater, pocket; trough,… …   English dictionary for students

  • concave shape — noun a shape that curves or bends inward • Syn: ↑concavity, ↑incurvation, ↑incurvature • Derivationally related forms: ↑incurvate (for: ↑incurvation), ↑concave ( …   Useful english dictionary

  • concavity — noun 1. a shape that curves or bends inward • Syn: ↑concave shape, ↑incurvation, ↑incurvature • Derivationally related forms: ↑incurvate (for: ↑incurvation), ↑concave …   Useful english dictionary


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