univalent

2 definitions found

univalent - Collaborative International Dictionary of English v.0.48 :

  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.
     [1913 Webster]

univalent - WordNet (r) 2.1 (2005) :

  univalent
      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]