cupreine

noun
cu·​pre·​ine | \ ˈk(y)ü-prē-ˌēn How to pronounce cupreine (audio) , -prē-ən How to pronounce cupreine (audio) \

Medical Definition of cupreine

: a crystalline alkaloid C19H22N2O2 that occurs especially in cinchona bark and is closely related to quinine

Learn More about cupreine

Cite this Entry

“Cupreine.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/cupreine. Accessed 4 Aug. 2020.

Comments on cupreine

What made you want to look up cupreine? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

Test Your Vocabulary

July 2020 Words of the Day Quiz

  • papercraft sunset
  • Which is a synonym of mien?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

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