[bahy-vey-luh nt, biv-uh-]
- having a valence of two.
- having two valences, as aluminum with valences of two and three.
- Genetics. pertaining to associations of two homologous chromosomes.
- 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. 2018
- logic philosophy the semantic principle that there are exactly two truth values, so that every meaningful statement is either true or falseCompare many-valued logic
- chem another word for divalent
- (of homologous chromosomes) associated together in pairs
- a structure formed during meiosis consisting of two homologous chromosomes associated together
Word Origin and History for bivalence
Online Etymology Dictionary, © 2010 Douglas Harper
- Having a valence of 2; divalent.
- Consisting of a pair of homologous, synapsed chromosomes, as occurs during meiosis; double.
- A pair of homologous, synapsed chromosomes associated together during meiosis.
- Chemistry Having a valence of 2.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.