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(immunology) Of or pertaining to having several antibodies each capable of destroying or inactivating a specific antigen.

(chemistry) Having more than one valence, that is having a valence of three or more.


Word origin: poly- (a combining form that means many) + valent from valence.

Related forms: polyvalence (noun)

Synonym: multivalent

Compare: bivalent

See also: valence