/ Dictionary / Index S stochastic matrix: Meaning and Definition of Find definitions for: stochas'tic ma'trix Pronunciation: [key] — Math. Math. a square matrix with positive entries totaling 1 in each row. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stochastic independence stochastic variable Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language