# Bivalent

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'''Bivalent''' may refer to:
*[Bivalent (chemistry)](/source/Bivalent_(chemistry)), a molecule formed from two or more atoms bound together
* Bivalent ligand, a [ligand](/source/Ligand_(biochemistry)) of two drug-like molecules
*[Bivalent (genetics)](/source/Bivalent_(genetics)), a pair of homologous chromosomes
* [Bivalent vaccine](/source/Bivalent_vaccine), a vaccine directed at two pathogens or two strains of a pathogen
*[Bivalent (engine)](/source/Bivalent_(engine)), an engine that can operate on two different types of fuel
*A verb with a [valency](/source/valency_(linguistics)) of two
*[Principle of bivalence](/source/Principle_of_bivalence), a semantic principle in logic 

==See also==
* [Valence (disambiguation)](/source/Valence_(disambiguation))
* [Bivalve (disambiguation)](/source/Bivalve_(disambiguation))

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Adapted from the Wikipedia article [Bivalent](https://en.wikipedia.org/wiki/Bivalent) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Bivalent?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.