quinine

noun qui·nine \ ˈkwī-ˌnīn also ˈkwi- or kwi-ˈnīn or ki-ˈnēn or kwi-ˈnēn \

Definition of quinine

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

Recent Examples of quinine from the Web

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Origin and Etymology of quinine

Spanish quina cinchona, from Quechua kina bark


QUININE Defined for English Language Learners

quinine

noun

Definition of quinine for English Language Learners

  • : a drug that is made from the bark of a tree and used especially to treat malaria


QUININE Defined for Kids

quinine

noun qui·nine \ ˈkwī-ˌnīn \

Definition of quinine for Students

:a bitter drug obtained from cinchona bark and used to treat malaria

Medical Dictionary

quinine

noun qui·nine \ ˈkwī-ˌnīn also ˈkwin-ˌīn, esp British kwin-ˈēn, ˈkwin-ēn \

medical Definition of quinine

:a bitter crystalline alkaloid C20H24N2O2 obtained from cinchona bark that is used as a flavoring agent, has antipyretic and analgesic properties, and is administered orally in the form of its salts (as the hydrated sulfate (C20H24N2O2)2·H2SO4·2H2O) as an antimalarial


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