- Chemistry.
- having a valence of two.
- having two valences, as aluminum with valences of two and three.
- pertaining to associations of two homologous chromosomes.
- a pair of bivalent chromosomes, especially when pairing during meiosis.
- chem another word for divalent
- (of homologous chromosomes) associated together in pairs
- a structure formed during meiosis consisting of two homologous chromosomes associated together
