/ Dictionary / Index M muriatic acid: Meaning and Definition of Find definitions for: mu'riat'ic ac'id Pronunciation: [key] (not in scientific use) See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. muriatic muricate Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language