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Adjective: polyvalent  ,pó-lee'vey-lunt
  1. (immunology) containing several antibodies each capable of counteracting a specific antigen
    "a polyvalent vaccine"
     
  2. (chemistry) having more than one valence, or having a valence of 3 or higher
    - multivalent

See also: valence, valency

Antonym: monovalent

Encyclopedia: Polyvalent