having a hollowed surface on both sides. Biconcave lenses are used to correct short-sightedness.
Compare: biconvex

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  • biconcave — [ bikɔ̃kav ] adj. • 1803; de bi et concave ♦ Didact. Qui a deux surfaces concaves opposées. Lentille biconcave. ● biconcave adjectif Qui offre deux faces concaves opposées. biconcave adj. Qui présente deux faces concaves opposées. Lunettes à… …   Encyclopédie Universelle

  • Biconcave — Bi*con cave, a. [Pref. bi + concave.] Concave on both sides; as, biconcave vertebr[ae]. [1913 Webster] …   The Collaborative International Dictionary of English

  • biconcave — [bī kän′kāv΄, bī΄kän kāv′] adj. concave on both surfaces [a biconcave lens]: see LENS …   English World dictionary

  • biconcave — Concave on two sides; denoting especially a form of lens. SYN: concavoconcave. * * * bi·con·cave .bī (.)kän kāv, ( )bī kän . adj concave on both sides <biconcave vertebrae> <a biconcave lens> bi·con·cav·i·ty .bī (.)kän kav ət ē n, pl… …   Medical dictionary

  • biconcave lens — abipus įgaubtas lęšis statusas T sritis fizika atitikmenys: angl. biconcave lens; double concave lens vok. bikonkave Linse, f rus. двояковогнутая линза, f pranc. lentille biconcave, f …   Fizikos terminų žodynas

  • biconcave — adjective Date: 1833 concave on both sides • biconcavity noun …   New Collegiate Dictionary

  • BICONCAVE — adj. des deux genres T. de Physique Qui a deux surfaces concaves opposées …   Dictionnaire de l'Academie Francaise, 8eme edition (1935)

  • biconcave — adj. [L. bis, two; concavus, hollow or arched inward] Being concave on both sides; amphicoelous; see amphicyrtic …   Dictionary of invertebrate zoology

  • biconcave — biconcavity /buy keuhn kav i tee/, n. /buy kon kayv, buy kon kayv /, adj. concave on both sides, as a lens. See diag. under lens. [1825 35; BI 1 + CONCAVE] * * * …   Universalium

  • biconcave — adjective Having both sides concave. Syn: concave, concavo concave Ant: biconvex …   Wiktionary

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