Bivalent may refer to: *

Bivalent (chemistry) In chemistry, the valence (US spelling) or valency (British spelling) of an element is the measure of its combining capacity with other atoms when it forms chemical compounds or molecules. Description The combining capacity, or affinity of a ...

, a molecule formed from two or more atoms bound together *

Bivalent (engine) A bivalent engine is an engine that can use two different types of fuel. Examples are petroleum/CNG and petroleum/ LPG engines, which are widely available in the European passenger vehicle aftermarket. Types Alcohol and Petroleum Engines that ...

, an engine that can operate on two different types of fuel * Bivalent (genetics), a pair of homologous chromosomes * Bivalent logic, a classical logic of two values, true and false *

Bivalent vaccine A vaccine is a biological Dosage form, preparation that provides active acquired immunity to a particular infectious disease, infectious or cancer, malignant disease. The safety and effectiveness of vaccines has been widely studied and verifie ...

, a vaccine directed at two pathogens or two strains of a pathogen *A verb with a

valency Valence or valency may refer to: Science * Valence (chemistry), a measure of an element's combining power with other atoms * Degree (graph theory), also called the valency of a vertex in graph theory * Valency (linguistics), aspect of verbs re ...

of two

See also