Dictionary Definition

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]

User Contributed Dictionary

bivalent

Having a valence of 2.
Of, or relating to a pair of homologous synapsed chromosomes that occur during meiosis.

Bivalent may refer to:

Bivalent (chemistry), a molecule formed from two or more atoms bound together as a single unitmolecule
Bivalent (engine), an engine that can use petroleum and renewable energy
Bivalent (genetics), a pair of homologous chromosomes
Bivalent logic, a classical logic of two values, true and false