polyvalent

adjective poly·va·lent \-ˈvā-lənt also pə-ˈli-və-lənt\

Definition of POLYVALENT

: having a chemical valence greater usually than two

: effective against, sensitive toward, or counteracting more than one toxin, microorganism, or antigen <polyvalent vaccines>

— poly·va·lence \-lən(t)s\ noun

International Scientific Vocabulary

First Known Use: 1881

Medical Dictionary

adjective poly·va·lent \ˌpäl-i-ˈvā-lənt\

a : having a chemical valence greater usually than two b : having variable valence

: effective against, sensitive toward, or counteracting more than one exciting agent (as a toxin or antigen) <a polyvalent vaccine>

—poly·va·lence \-lən(t)s\ noun

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