concavo-convex

[kon-key-voh-kon-veks]

adjective

Also convexo-concave. concave on one side and convex on the other.
Optics. pertaining to or noting a lens in which the concave face has a greater degree of curvature than the convex face.

Origin of concavo-convex

1670–80; < Latin concav(us) + -o- + convex

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for concavo-convex

Historical Examples of concavo-convex

When a concavo-convex plate is affixed to the outside of the cubit.
An Introduction to Entomology: Vol. IV (of 4)
William Kirby
I measured therefore the thickness of this concavo-convex Plate of Glass, and found it every where 1/4 of an Inch precisely.
Opticks
Isaac Newton
They are neat, moderately thin, concavo-convex disks, with smooth surfaces and rounded edges.
Art in Shell of the Ancient Americans
William H. Holmes
Concavo-convex: hollowed out or concave on one surface, rounded or convex on the other; like a small segment of a hollow sphere.
Explanation of Terms Used in Entomology
John. B. Smith
Winglets: small, concavo-convex scales, generally fringed at tip, under the base of the elytra in Dytiscidae.
Explanation of Terms Used in Entomology
John. B. Smith

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

concavo-convex in Medicine

concavo-convex

[kŏn-kā′vō-kŏn-vĕks′]

adj.

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