/ Dictionary / Index T Tchebycheff polynomial: Meaning and Definition of Find definitions for: Tchebycheff' polyno"mial Pronunciation: [key] — Math. Math. a polynomial solution of the Tchebycheff equation, of the form T(x) = cos(ncosx), where n is an integer. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Tchebycheff equation Tchekhov Related Content Daily Word Quiz: frugal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language