polyvalent

/pol-ee-vey-luhnt, puh-liv-uh-luhnt/US // ˌpɒl iˈveɪ lənt, pəˈlɪv ə lənt //UK // (ˌpɒlɪˈveɪlənt, pəˈlɪvələnt) //

多效性,多元化,多效,多价

Definitions

adj.形容词 adjective

1
- : Chemistry. having more than one valence.
- : Bacteriology. containing several antibodies, each capable of reacting with a specific antigen.

The general use of the present commercial polyvalent protective against influenza is not considered desirable.
The complement fixation test is like a Wassermann reaction, but the antigen should be polyvalent.
A polyvalent vaccine contains several strains of the infective agent and a mixed contains several different organisms.
Commercial vaccines are stock vaccines and are usually polyvalent or even mixed.