/ Dictionary / Index D definite integral: Meaning and Definition of Find definitions for: def'inite in'tegral Pronunciation: [key] — Math. Math. the representation, usually in symbolic form, of the difference in values of a primitive of a given function evaluated at two designated points. Cf. indefinite integral. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. definite article definitely Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language