/ Dictionary / Index S symmetric function: Meaning and Definition of Find definitions for: symmet'ric func'tion Pronunciation: [key] — Math. Math. a polynomial in several indeterminates that stays the same under any permutation of the indeterminates. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. symmetric difference symmetric group Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language