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), an engine that can operate on two different types of fuel *

Bivalent (genetics) A bivalent is one pair of chromosomes (sister chromatids) in a tetrad. A tetrad is the association of a pair of homologous chromosomes (4 sister chromatids) physically held together by at least one DNA crossover. This physical attachment allows f ...

, a pair of homologous chromosomes * Bivalent logic, a classical logic of two values, true and false * Bivalent vaccine, 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