/ Dictionary / Index M multivalent: Meaning and Definition of Find definitions for: mul•ti•va•lent Pronunciation: (mul"ti-vā'lunt, mul-tiv'u-lunt), [key] — adj. having a valence of three or higher. containing several kinds of antibody. pertaining to an antibody that contains many antigen-binding sites. pertaining to an antibody that has many determinants. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: multivalent (Thesaurus) multiuser system multivalued Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language