Bivalent

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Bivalent \Biv"a*lent\, a. [L. bis twice + valens, p. pr. See
     {Valence}.] (Chem.)
     Equivalent in combining or displacing power to two atoms of
     hydrogen; dyad.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  bivalent
       adj 1: having a valence of two or having two valences [syn: {divalent}]
       2: used of homologous chromosomes associated in pairs in
          synapsis [syn: {double}] [ant: {multivalent}, {univalent}]