/ Dictionary / Index L leakance: Meaning and Definition of Find definitions for: leak•ance Pronunciation: (lē'kuns), [key] — n. Elect. the reciprocal of the resistance of insulation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. leakage Leakey Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language