Definition of chloroquine in English:


Line breaks: chloro|quine
Pronunciation: /ˈklɔːrə(ʊ)kwiːn
, ˈklɒ-/


[mass noun] Medicine
  • A synthetic drug related to quinoline, used against malaria.
    More example sentences
    • Doctors treat malaria by using anti-malarial drugs, such as chloroquine or quinine.
    • Quinine formed the basis for synthesising the commonly used antimalarial drugs, chloroquine and mefloquine.
    • The situation is becoming more difficult because the most widely used antimalarial drug chloroquine is losing its effectiveness.


1940s: from chloro- + quin(olin)e.

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