/ Dictionary / Index S stochastic variable: Meaning and Definition of Find definitions for: stochas'tic var'iable Pronunciation: [key] — Statistics. Statistics. a random variable. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stochastic matrix stock Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language