Main Entry:

qui·nine

Pronunciation:

\ˈkwī-ˌnīn also ˈkwi- or kwi-ˈnīn or ki-ˈnēn or kwi-ˈnēn\

Function:

noun

Etymology:

Spanish quina cinchona, from Quechua kina bark

Date:

1825

1 : a bitter crystalline alkaloid C₂₀H₂₄N₂O₂ from cinchona bark used in medicine 2 : a salt of quinine used especially as an antipyretic, antimalarial, and bitter tonic