Origin of convexo-concave
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In form, it is circular, convexo-concave, and resembles a watch-glass.
- having one side convex and the other side concave
- (of a lens) having a convex face with greater curvature than the concave faceCompare concavo-convex (def. 2)
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
- Being convex on one side and concave on the other.
- Having greater curvature on the convex side than on the concave side. Used of a lens.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.