/ Dictionary / Index A acid soil: Meaning and Definition of Find definitions for: ac'id soil' Pronunciation: [key] a soil of acid reaction or having a predominance of hydrogen ions, tasting sour in solution. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. acid salt acid test 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