(?), a. [Multi- + L. valens, p. pr. See Valence.] 1. (Chem.) (a) Having a valence greater than one, as silicon. (b) Having more than one degree of valence, as sulphur.
[1913 Webster]

2. (Immunology) Having multiple antigen-binding sites; -- of antibody molecules.

3. (Immunology) Containing several types of antibody, to protect against more than one disease; polyvalent; -- of vaccines.


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Thu 20th February 2020