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Definition of: bivalent
(bī·vā′lənt, biv′ə-) adjective
1. Chem. a Having a valence of two, or twice that of a univalent. b Having two valences: also divalent.
2. Biol. Composed of or characterizing chromatin rods representing two chromosomes joined end to end. [<BI- + L valens, -entis, ppr. of valere have power]
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