Adjacent Words

univalent definitions

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WordNet (r) 3.0 (2005)

adj
1: used of a chromosome that is not paired or united with its homologous chromosome during synapsis; "a univalent chromosome" [ant: bivalent, double, multivalent]
2: having a valence of 1 [syn: monovalent, univalent] [ant: multivalent, polyvalent]

Merriam Webster's

I. adjective Date: 1868 1. monovalent 1 2. being a chromosomal univalent II. noun Date: 1912 a chromosome that lacks a synaptic mate

Oxford Reference Dictionary

adj. & n. --adj. 1 Chem. having a valency of one. 2 Biol. (of a chromosome) remaining unpaired during meiosis. --n. Biol. a univalent chromosome. Etymology: UNI- + valent- pres. part. stem (as VALENCE(1))

Webster's 1913 Dictionary

Univalent U*niv"a*lent, a. [Uni- + L. valens, -entis, p. pr. See Valence.] (Chem.) Having a valence of one; capable of combining with, or of being substituted for, one atom of hydrogen; monovalent; -- said of certain atoms and radicals.