/ Dictionary / Index D double integral: Meaning and Definition of Find definitions for: dou'ble in'tegral Pronunciation: [key] — Math. Math. an integral in which the integrand involves a function of two variables and that requires two applications of the integration process to evaluate. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. double indemnity double jeopardy Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language