chloroquine

American  

[klawr-uh-kwin, -kween, klohr-] / ˈklɔr ə kwɪn, -ˌkwin, ˈkloʊr- /

noun

Pharmacology.

1. a synthetic substance, C 18 H 26 ClN 3 , used chiefly to control malaria attacks.

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chloroquine British  

/ ˈklɔːrəʊˌkwiːn /

noun

1. a synthetic drug administered orally to treat malaria. Formula: C 18 H 26 ClN 3

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Etymology

Origin of chloroquine

First recorded in 1945–50; chloro- ² + quin(olin)e

Compare meaning

How does chloroquine compare to similar and commonly confused words? Explore the most common comparisons:

• hydroxychloroquine vs. chloroquine

Example Sentences

The parasite became resistant to a previous drug - chloroquine - in East Africa in the 1970s, and resistance reached the west coast by the 1980s.

From BBC • Jul. 18, 2024

In Southeast Asia, Africa, and South America, P. falciparum has developed resistance to the anti-malarial drugs chloroquine, mefloquine, and sulfadoxine-pyrimethamine.

From Textbooks • Jun. 9, 2022

In combination with chloroquine, tafenoquine can deliver what scientists call a “radical cure.”

From New York Times • Mar. 14, 2022

"And try very, very hard" to make sure "that it's not going to be the same as when we had chloroquine resistance in Africa."

From Salon • Jan. 30, 2022

She had gotten her chloroquine injections there the last time she had malaria, and the nurse had boiled water on a smoky kerosene stove.

From "Purple Hibiscus" by Chimamanda Ngozi Adichie