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plano-convex

[pley-noh-kon-veks, -kon-veks, -kuh n-] /ˌpleɪ noʊˈkɒn vɛks, -kɒnˈvɛks, -kən-/
adjective, Optics.
1.
pertaining to or noting a lens that is plane on one side and convex on the other.
Origin
1655-1665
1655-65; plano-1 + convex
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for plano-convex

plano-convex

/ˌpleɪnəʊˈkɒnvɛks/
adjective
1.
(of a lens) having one side convex 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
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