/ Dictionary / Index A acid salt: Meaning and Definition of Find definitions for: ac'id salt" Pronunciation: [key] — Chem. Chem. a salt of a polybasic acid that is only partially neutralized by a base; a salt that is also an acid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acid rock acid soil Related Content Daily Word Quiz: exemplary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language