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1. Chemistry Having a valence of 2.
2. Immunology
a. Having two sites of attachment. Used of an antibody or antigen.
b. Containing antigens from two strains of a microorganism or virus. Used of a vaccine or serum.


(daɪˈveɪlənt; ˈdaɪˌveɪ-)
1. (Chemistry) having a valency of two
2. (Chemistry) having two valencies
Also: bivalent
diˈvalency n


(daɪˈveɪ lənt)

having a valence of two.
di•va′lence, n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.divalent - having a valence of two or having two valences
chemical science, chemistry - the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions
References in periodicals archive ?
The kit depends upon the ability of the autoantibodies to act divalently and form a bridge between the antigens coated on the ELISA plate wells and the 3-screen biotin.