/ Dictionary / Index S surface integral: Meaning and Definition of Find definitions for: sur'face in"tegral Pronunciation: [key] — Math. Math. the limit, as the norm of the partition of a given surface into sections of area approaches zero, of the sum of the product of the areas times the value of a given function of three variables at some point on each section. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. surface effect vehicle surface noise Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language