/ Dictionary / Index D discriminant function: Meaning and Definition of Find definitions for: discrim'inant func'tion Pronunciation: [key] — Statistics. Statistics. a linear function of measurements of different properties of an object or event that is used to assign the object or event to one population or another Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. discriminant discriminate Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language