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1. Convex on one side and concave on the other.
2. Having greater curvature on the convex side than on the concave side. Used of a lens.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. having one side convex and the other side concave
2. (General Physics) (of a lens) having a convex face with greater curvature than the concave face. Compare concavo-convex2
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(kənˈvɛk soʊ kɒnˈkeɪv)

2. of or designating a lens in which the convex face has a greater degree of curvature than the concave face.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.convexo-concave - convex on one side and concave on the other with the convexity being greater than the concavity
bulging, convex - curving or bulging outward
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Phakic IOLs have changed the horizon of refractive surgery by providing exceptional outcomes with minimal complications.6 Ophtec Artisan iris claw PIOL has a convexo-concave design and has two claws on opposite sides which enclave to the mid-periphery of the anterior surface of the iris.
Federal officials charged that Shiley, to obtain FDA approval to market the Bjork-Shiley Convexo-Concave mechanical heart valve (C/C valve), made unsubstantiated claims during the application process that the valve caused less blood-clotting than other valves on the market.
The story of the Bjork-Shiley Convexo-Concave heart valve is a case in point.