concavity

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, furrow, burrow; cup, basin, bowl (see receptacle); intaglio (see sculpture); coil; socket. See depth, interior.
2. (concave thing) valley, vale, dale, dell, dingle, bottom, blade, gully, cave, cavern, cove; pothole, sinkhole, crater; armpit; grotto, grot; alcove; cul-de-sac; arch, bay, etc.
3. (machine to make concave) excavator, sapper, miner, digger, [steam] shovel, spade, etc. (see receptacle).
Verbs — cave in, depress, hollow, scoop [out], gouge, indent, dent, dint; excavate, mine, sap, undermine, burrow, tunnel; stave in.
Adjectives — concave, depressed, hollow, pitted, stove in; retiring; retreating, cavernous; cellular, porous; spongy, honeycombed, alveolar; infundibular, funnel-shaped, cupular; bell-shaped, campaniform; capsular, vaulted, arched.
Antonyms, see convexity.
II
(Roget's IV) n.
Syn. depression, indentation, impression; see hole 2 .
III
(Roget's Thesaurus II) noun An area sunk below its surroundings: basin, depression, dip, hollow, pit1, sag, sink, sinkhole. See CONVEX.

English dictionary for students. 2013.

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Synonyms:
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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 — (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

  • concavity — įgaubtumas statusas T sritis fizika atitikmenys: angl. concavity vok. Konkavität, f rus. вогнутость, f pranc. concavité, f …   Fizikos terminų žodynas

  • 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

  • concavity — noun (plural ties) Date: 15th century 1. a concave line, surface, or space ; hollow 2. the quality or state of being concave …   New Collegiate Dictionary

  • concavity — /kon kav i tee/, n., pl. concavities for 2. 1. the state or quality of being concave. 2. a concave surface or thing; cavity. [1350 1400; ME concavite < LL concavitat (s. of concavitas). See CON , CAVE, ITY] * * * …   Universalium

  • concavity — noun a) The state of being concave b) A concave structure or surface Ant: convexity …   Wiktionary

  • concavity — A hollow or depression, with more or less evenly curved sides, on any surface. * * * con·cav·i·ty kän kav ət ē n, pl ties 1) a concave surface or space 2) the quality or state of being concave * * * con·cav·i·ty (kon kavґĭ te) [con + cavity] …   Medical dictionary

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