bivalent
[bahy-vey-luh nt, biv-uh-]
|
adjective
Chemistry.
- having a valence of two.
- having two valences, as aluminum with valences of two and three.
Genetics. pertaining to associations of two homologous chromosomes.
noun
Genetics. a pair of bivalent chromosomes, especially when pairing during meiosis.
Origin of bivalent
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for bivalent
Historical Examples of bivalent
The antagonistic efficiency of the bivalent cations other than Ca was, however, smaller than that of Ca.
The Organism as a WholeJacques Loeb
For the chromosomes of the heterotype mitosis arise by the looping round, not opening out, of the bivalent chromosomes.
Monoxide, mo-nok′sīd, n. an oxide containing a single oxygen atom in combination with two univalent atoms or one bivalent atom.
The presence of bivalent cations, especially Ca, also favours the agglutination.
The Organism as a WholeJacques Loeb
Figure 145 is a prophase showing the bivalent chromosomes still connected by linin fibers.
Studies in SpermatogenesisNettie Maria Stevens
bivalent
adjective
noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Online Etymology Dictionary, © 2010 Douglas Harper
bivalent
[bī-vā′lənt]
adj.
n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
bivalent
[bī-vā′lənt]
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.