Dictionary.com

plano-concave

[ pley-noh-kon-keyv, -kon-keyv ]
/ ˌpleɪ noʊˈkɒn keɪv, -kɒnˈkeɪv /
Save This Word!

adjective Optics.
pertaining to or noting a lens that is plane on one side and concave on the other.
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…

Origin of plano-concave

First recorded in 1685–95; plano-1 + concave
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

British Dictionary definitions for plano-concave

plano-concave
/ (ˌpleɪnəʊˈkɒnkeɪv) /

adjective
(of a lens) having one side concave and the other side plane
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
FEEDBACK