biconcave

[ bahy-kon-keyv, bahy-kon-keyv ]

/ baɪˈkɒn keɪv, ˌbaɪ kɒnˈkeɪv /

SEE MORE SYNONYMS FOR biconcave ON THESAURUS.COM

adjective

concave on both sides, as a lens.

Nearby words

bicol, bicollateral, bicolor, bicolour, bicompact, biconcave, biconcave lens, biconditional, bicondylar joint, bicone, biconical

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

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for biconcave

It was composed of vermiform rods 1⁄1000 inch in width, and breaking up into cylindrical segments with biconcave ends.
Cruise of the 'Alert'|R. W. Coppinger
The vertebral centra are opisthocoelous or biconcave, and there are numerous precaudal vertebrae.
The Vertebrate Skeleton|Sidney H. Reynolds
The vertebrae are solid and may be opisthocoelous, biconcave, or flat.
The Vertebrate Skeleton|Sidney H. Reynolds
It had also the curious and old-fashioned peculiarity of biconcave vertebræ, like those of fishes and some reptiles.
The Chain of Life in Geological Time|Sir J. William Dawson

The vertebræ are very numerous and biconcave as in ordinary fishes.
A Guide to the Study of Fishes, Volume 1 (of 2)|David Starr Jordan

British Dictionary definitions for biconcave

biconcave

/ (baɪˈkɒnkeɪv, ˌbaɪkɒnˈkeɪv) /

adjective

(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