| polyvalent | <chemistry> Having more than one valence. (18 Nov 1997) |
|---|---|
| polyvalent allergy | Allergic response manifested simultaneously for several or numerous specific allergens. (05 Mar 2000) |
| polyvalent antiserum | See: antiserum. (05 Mar 2000) |
| polyvalent serum | An antiserum obtained by inoculating an animal with several different antigens or species or strains of bacteria. (05 Mar 2000) |
| polyvalent vaccine | A vaccine prepared from cultures of two or more strains of the same species or microorganism. Synonym: multivalent vaccine. (05 Mar 2000) |