concavo-convex

A convex lens is fixated on a slanted ceiling emanating a faint amount of soft white light.
Mariko Mori Rebirth at the Japan Society|Justin Jones|October 10, 2013|DAILY BEAST
It is sometimes indented, with its convex side in contact with the periphery of the cell.
A Manual of Clinical Diagnosis|James Campbell Todd
Ellis's patent boot studs to save the sole, and the Euknemida, or concave-convex fastening springs, are the latest novelties.
Showell's Dictionary of Birmingham|Thomas T. Harman and Walter Showell
From his waistcoat pocket he took a little silver convex mirror and surveyed himself critically therein.
Dope|Sax Rohmer

This insect is much less in size than the former, and is more convex.
Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]|Phillip Parker King
The body is very convex:, having the thorax as wide as the abdomen, subquadrate, with very convex sides.
Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2]|Phillip Parker King

British Dictionary definitions for concavo-convex

concavo-convex

adjective

having one side concave and the other side convex

(of a lens) having a concave face with greater curvature than the convex faceCompare convexo-concave (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

Medical definitions for concavo-convex

concavo-convex

[ kŏn-kā′vō-kŏn-vĕks′ ]

adj.

Of or being concave on one surface and convex on the opposite surface.