• synonyms


[kuh n-vek-soh-kon-keyv]
  1. concavo-convex.
  2. Optics. pertaining to or noting a lens in which the convex face has a greater degree of curvature than the concave face.
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Origin of convexo-concave

First recorded in 1685–95; convexo- + concave
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for convexo-concave

Historical Examples of convexo-concave

  • In form, it is circular, convexo-concave, and resembles a watch-glass.

    A Treatise on Anatomy, Physiology, and Hygiene (Revised Edition)

    Calvin Cutter

British Dictionary definitions for convexo-concave


  1. having one side convex and the other side concave
  2. (of a lens) having a convex face with greater curvature than the concave faceCompare concavo-convex (def. 2)
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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

convexo-concave in Medicine


  1. Being 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.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.