Bivalent may refer to:
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Bivalent (chemistry), a molecule formed from two or more atoms bound together
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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
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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 ...
, a pair of homologous chromosomes
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Bivalent logic
In logic, the semantic principle (or law) of bivalence states that every declarative sentence expressing a proposition (of a theory under inspection) has exactly one truth value, either true or false. A logic satisfying this principle is calle ...
, a classical logic of two values, true and false
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Bivalent vaccine, a vaccine directed at two pathogens or two strains of a pathogen
*A verb with a
valency of two
See also
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