/ Dictionary / Index A ammonic: Meaning and Definition of Find definitions for: am•mon•ic Pronunciation: (u-mon'ik, u-mō'nik), [key] — adj. of or pertaining to ammonia or ammonium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ammonia water ammonification 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