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bivalent a. 二原子价的 二原子价的 bivalent adj 1: having a valence of two or having two valences [synonym: {bivalent}, {divalent}] 2: used of homologous chromosomes associated in pairs in synapsis [synonym: {bivalent}, {double}] [ant: {multivalent}, {univalent}] 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]
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