/ Dictionary / Index Q quinazoline: Meaning and Definition of Find definitions for: quin•az•o•line Pronunciation: (kwi-naz'u-lēn", -lin), [key] — n. Chem. a colorless, crystalline, heterocyclic compound, CHN. any derivative of this compound. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. quinate quince Related Content Daily Word Quiz: cur Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language