concavo-convex

[ kon-key-voh-kon-veks ]

/ kɒnˈkeɪ voʊ kɒnˈvɛks /

Save This Word!

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.

QUIZ

THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?

Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.

Question 1 of 7

In the UK, COTTON CANDY is more commonly known as…

candystring

candyfloss

candypuff

TAKE THE QUIZ TO FIND OUT

Origin of concavo-convex

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

Words nearby concavo-convex

concatenate, concatenation, concave, concavity, concavo-concave, concavo-convex, conceal, concealed carry, concealment, concede, conceded

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use concavo-convex in a sentence

A small concavo-convex scarious appendage, fixed behind the wings at their base, in many Diptera.
An Introduction to Entomology: Vol. III (of 4)|William Kirby
F is called a meniscus, or concavo-convex, being concave on one, and convex on the other side.
Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained|Jane Haldimand Marcet and Thomas P. Jones
Other types employ two plano-convex lenses, the curved surfaces nearly in contact; or a concavo-convex and a plano-convex lens.
Encyclopaedia Britannica, 11th Edition, Volume 16, Slice 2|Various
Grain is orbicular to ovate, concavo-convex, red-brown, and transversely rugose.
A Handbook of Some South Indian Grasses|Rai Bahadur K. Ranga Achariyar

Grain is oblong, obtusely trigonous, or concavo-convex, red-brown and rugulose on the ventral side.
A Handbook of Some South Indian Grasses|Rai Bahadur K. Ranga Achariyar

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