[yoo-nuh-vey-luh nt, yoo-niv-uh-]
- Chemistry. having a valence of one; monovalent.
- Genetics. (of a chromosome) single; unpaired; not possessing or joining its homologous chromosome in synapsis.
Origin of univalent
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for univalent
The elements of the group are univalent in their compounds with hydrogen and the metals.
Monoxide, mo-nok′sīd, n. an oxide containing a single oxygen atom in combination with two univalent atoms or one bivalent atom.
Diamond-shaped tetrad with spindle-fibers attached; a-a, probably halves of one univalent chromosome; b-b, halves of the other.Studies in Spermatogenesis (Part 1 of 2)
Nettie Maria Stevens
An atom with an extra corpuscle is a univalent negative ion, an atom with one corpuscle detached is a univalent positive ion.
Univalent hydrogen and divalent oxygen will then have the symbols H- and -O-.
- (of a chromosome during meiosis) not paired with its homologue
- chem another word for monovalent
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
- Having valence 1.
- Having only one valence.
- Of or relating to a chromosome that is not paired or united with its homologous chromosome during synapsis.
- A univalent chromosome.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Having a valence of 1.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.