[ bahy-kon-keyv, bahy-kon-keyv ]
/ baɪˈkɒn keɪv, ˌbaɪ kɒnˈkeɪv /


concave on both sides, as a lens.

Origin of biconcave

First recorded in 1825–35; bi-1 + concave
Related formsbi·con·cav·i·ty [bahy-kuh n-kav-i-tee] /ˌbaɪ kənˈkæv ɪ ti/, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for biconcave

British Dictionary definitions for biconcave


/ (baɪˈkɒnkeɪv, ˌbaɪkɒnˈkeɪv) /


(of a lens) having concave faces on both sides; concavo-concave
Derived Formsbiconcavity (ˌbaɪkɒnˈkævɪtɪ), noun
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

Medicine definitions for biconcave


[ bī′kŏn-kāv, bī-kŏnkāv′ ]


Concave on both sides or surfaces.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for biconcave


[ bī′kŏn-kāv ]

Concave on both sides or surfaces.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.