Valency

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Definition

noun

(biology, immunology) The relative capability of a substance (e.g. antibody) to act upon, react, or bind with a biological substrate (e.g. antigen).

(chemistry) A property of atom or radical that indicates its combining power, especially in terms of the number of hydrogen atoms.

(chemistry) The condition, status or phenomenon of forming chemical bonds.


Supplement

Word origin: Latin valentia (strength)

Synonym: valence