/ Dictionary / Index A ammoniate: Meaning and Definition of Find definitions for: am•mo•ni•ate Pronunciation: (u-mō'nē-āt"), [key] — v., n. -at•ed, -at•ing, —v.t. to treat or cause to unite with ammonia. —n. a compound formed by adding ammonia in stoichiometric proportions to another compound, as CaCl&multiplydot;8NH or CuSO&multiplydot;4NH. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: ammoniate (Thesaurus) ammonia solution ammonia water Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language