Pronunciation: (mul"ti-vā'lunt, mul-tiv'u-lunt), [key]
1. Chem.having a valence of three or higher.
a. containing several kinds of antibody.
b. pertaining to an antibody that contains many antigen-binding sites.
c. pertaining to an antibody that has many determinants.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.