/ Dictionary / Index A alkali soil: Meaning and Definition of Find definitions for: al'kali soil" Pronunciation: [key] soil that has either a high degree of alkalinity or a high percentage of sodium, or both, so that most crops cannot be grown in it profitably. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. alkali rock alkalize 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