biconcave

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

/ baɪˈkɒn keɪv, ˌbaɪ kɒnˈkeɪv /

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See synonyms for biconcave on Thesaurus.com

adjective

concave on both sides, as a lens.

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Origin of biconcave

First recorded in 1825–35; bi-¹ + concave

OTHER WORDS FROM biconcave

bi·con·cav·i·ty

[bahy-kuhn-kav-i-tee], /ˌbaɪ kənˈkæv ɪ ti/, noun

Words nearby biconcave

Bicol, bicollateral, bicolor, bicolour, bicompact, biconcave, biconditional, bicone, bicontinental, biconvex, bicorn

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

How to use biconcave in a sentence

Cartilaginous or partially calcified biconcave vertebrae are always well developed; they constrict the notochord intervertebrally.
The Vertebrate Skeleton|Sidney H. Reynolds
Biconcave cartilaginous vertebrae are developed, and as is the case in most fishes, constrict the notochord vertebrally.
The Vertebrate Skeleton|Sidney H. Reynolds
The vertebral centra are opisthocoelous or biconcave, and there are numerous precaudal vertebrae.
The Vertebrate Skeleton|Sidney H. Reynolds
The vertebrae are biconcave and are very numerous; very few however belong to the tail.
The Vertebrate Skeleton|Sidney H. Reynolds

In Labyrinthodontia the centra of the vertebrae are generally well ossified biconcave discs.
The Vertebrate Skeleton|Sidney H. Reynolds

British Dictionary definitions for biconcave

biconcave

/ (baɪˈkɒnkeɪv, ˌbaɪkɒnˈkeɪv) /

adjective

(of a lens) having concave faces on both sides; concavo-concave

Derived forms of biconcave

biconcavity (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