biconcave


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biconcave
biconcave (left) and biconvex (right) lenses

bi·con·cave

 (bī′kŏn-kāv′, bī-kŏn′kāv′)
adj.
Concave on both sides or surfaces: a biconcave lens.

bi′con·cav′i·ty (-kăv′ĭ-tē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

biconcave

(baɪˈkɒnkeɪv; ˌbaɪkɒnˈkeɪv)
adj
(General Physics) (of a lens) having concave faces on both sides; concavo-concave
biconcavity n
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

bi•con•cave

(baɪˈkɒn keɪv, ˌbaɪ kɒnˈkeɪv)

adj.
concave on both sides.
[1825–35]
bi`con•cav′i•ty (-kənˈkæv ɪ ti) n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.biconcave - concave on both sidesbiconcave - concave on both sides    
concave - curving inward
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations

bi·con·cave

a. bicóncavo-a, de dos superficies cóncavas.
English-Spanish Medical Dictionary © Farlex 2012
References in periodicals archive ?
Meso- and metatibiae shorter, weakly biconcave, weakly expanded to apex.
Occipital groove complete, very marked and biconcave. Occipital area with many punctuations through its whole extension.
The bony anatomy of the CMC joint is a biconcave, reciprocating saddle joint that allows for multiple axes of motion including flexion-extension, abduction-adduction, and rotation.
Polymerized HbS aggregates in long twisted bundles, changing the shape of RBCs from a biconcave disc to an irregular "sickle".
(They always do.) The viewer observes Jacobs' teeming green worlds through a custom-ordered biconcave lens.
Under normal, healthy conditions, a freely suspended RBC is a biconcave discoid with 8 [micro]m diameter and 2 [micro]m thickness.
After a few days in the bloodstream, reticulocytes completely lose their organelles and acquire the biconcave disc format that is typical of young mature erythrocytes.
TMJ articular surfaces are in contact with the articular disc, a flexible and biconcave structure composed of a fibrous structure and nourished by synovial fluid.
The biconcave surfaces of the thumb CMC joint allow for a high degree of mobility but, on the other hand, are very unstable [17].
The TFC was biconcave shape in sagittal plane that was thick in the periphery and thin in the central portion [Figure 5].