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单词 plano-concave
释义

plano-concave

[ pley-noh-kon-keyv, -kon-keyv ]
/ ˌpleɪ noʊˈkɒn keɪv, -kɒnˈkeɪv /

adjective Optics.

pertaining to or noting a lens that is plane on one side and concave on the other.

Origin of plano-concave

First recorded in 1685–95; plano-1 + concave

Words nearby plano-concave

planning blight, planning permission, plano, planoblast, planocellular, plano-concave, planoconcave lens, plano-convex, planoconvex lens, planogamete, planograph
Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for plano-concave

  • The achromatic lens consists of a double convex lens of crown glass combined with a plano-concave lens of flint glass.

    Physics|Willis Eugene Tower
  • Plano-concave and double concave lenses produced similar effects.

    Biographies of Distinguished Scientific Men|Francois Arago
  • The chromatic combination consists of a convex lens of crown backed by a concave, or plano-concave, lens of flint.

    Pleasures of the telescope|Garrett Serviss
  • If one of the radii becomes infinite, the lens is plano-concave (fig. 9, 5).

    Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 4|Various

British Dictionary definitions for plano-concave

plano-concave
/ (ˌpleɪnəʊˈkɒnkeɪv) /

adjective

(of a lens) having one side concave and the other side plane
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for plano-concave

planoconcave
[ plā′nō-kŏn-kāv, -kŏnkāv′ ]

adj.

Flat on one side and concave on the other.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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更新时间:2024/11/14 22:27:34