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plano-concave

[pley-noh-kon-keyv, -kon-keyv]
adjective Optics.
  1. pertaining to or noting a lens that is plane on one side and concave on the other.
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Origin of plano-concave

First recorded in 1685–95; plano-1 + concave
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for planoconcave

plano-concave

adjective
  1. (of a lens) having one side concave and the other side plane
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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
planoconcave in Medicine

planoconcave

(plā′nō-kŏn-kāv′, -kŏn′kāv′)
adj.
  1. Flat on one side and concave on the other.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.