quin·​az·​o·​line kwin-ˈaz-ə-ˌlēn, -lən How to pronounce quinazoline (audio)
: a yellow crystalline bicyclic compound C8H6N2 composed of fused benzene and pyrimidine rings
also : a derivative of this compound

Dictionary Entries Near quinazoline

Cite this Entry

“Quinazoline.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/quinazoline. Accessed 1 Apr. 2023.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Love It or Hate It

  • heart-fire
  • When asked about her blind date, Carol spoke for hours with vitriol.
True or False

Test your knowledge - and maybe learn something along the way.

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?