/ Dictionary / Index T test statistic: Meaning and Definition of Find definitions for: test' statis"tic Pronunciation: [key] a statistic used to test a hypothesis. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. test stand test tube Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language