planoconvex

plano-convex

[pley-noh-kon-veks, -kon-veks, -kuhn-]
adjective Optics.
pertaining to or noting a lens that is plane on one side and convex on the other.

Origin:
1655–65; plano-1 + convex

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Collins
World English Dictionary
plano-convex (ˌpleɪnəʊˈkɒnvɛks)
 
adj
(of a lens) having one side convex and the other side plane

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

planoconvex pla·no·con·vex (plā'nō-kŏn-věks', -kŏn'věks')
n.
Flat on one side and convex 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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