Bivalent

Bivalent may refer to:

• Bivalent (chemistry), a molecule formed from two or more atoms bound together
• Bivalent ligand, a ligand of two drug-like molecules
• Bivalent (genetics), a pair of homologous chromosomes
• Bivalent vaccine, a vaccine directed at two pathogens or two strains of a pathogen
• Bivalent (engine), an engine that can operate on two different types of fuel
• A verb with a valency of two
• Principle of bivalence, a semantic principle in logic