chloroquine

noun

chlo·​ro·​quine ˈklȯr-ə-ˌkwēn 

: an antimalarial drug C₁₈H₂₆ClN₃ administered in the form of its bitter crystalline diphosphate

Examples of chloroquine in a Sentence

Recent Examples on the Web

There are the anti-seizure medications carbamazepine, lamotrigine and phenytoin and the anti-malarial medications chloroquine and amodiaquine. —Bruce Y. Lee, Forbes.com, 15 May 2025

Common antimalarial drugs that cause tinnitus include quinine, hydroxychloroquine, and chloroquine. —Ayesha Gulzar, Verywell Health, 13 Dec. 2024

Others have died after ingesting other unproven COVID-19 cures such as chloroquine phosphate and hydroxychloroquine, which was promoted by Trump as president. —David Klepper, Fortune Well, 31 Jan. 2024

But like other pathogens, the CDC says certain strains are becoming resistant to the first line of defense drugs – chloroquine – and other common antimalarial drugs. —Adrianna Rodriguez, USA TODAY, 19 July 2023

Word History

Etymology

chlor- + quinoline

First Known Use

1946, in the meaning defined above

Rhymes for chloroquine

• acridine
• alkaline
• andesine
• anodyne
• anticline
• arginine
• asinine
• atropine
• benzidine
• borderline
• byzantine
• calamine

Medical Definition

chloroquine

noun

chlo·​ro·​quine ˈklōr-ə-ˌkwēn, ˈklȯr- 

: an antimalarial drug administered in the form of its diphosphate C₁₈H₂₆ClN₃·2H₃PO₄ or hydrochloride C₁₈H₂₆ClN₃·HCl