/ Dictionary / Index A agglutinate: Meaning and Definition of Find definitions for: ag•glu•ti•nate Pronunciation: (v.u-glt'n-āt"adj.u-glt'n-it, -āt"), [key] — v., adj. -nat•ed, -nat•ing, —v.t., v.i. to unite or cause to adhere, as with glue. to clump or cause to clump, as bacteria or blood platelets. to form by agglutination. —adj. united by or as by glue. agglutinative. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: agglutinate (Thesaurus) agglutinant agglutination Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language