/ Dictionary / Index L leucoline: Meaning and Definition of Find definitions for: leu•co•line Pronunciation: (l'ku-lēn", -lin), [key] — n. Chem. quinoline. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. leucoderma leucoma Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language