quinine

quinine definition - medical

qui·nine (kwīˈnīnˌ)

noun
  1. A bitter colorless amorphous powder or crystalline alkaloid derived from certain cinchona barks and used to treat malaria.
  2. Any of various compounds or salts of quinine.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.