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Word of the Day Wednesday, June 10, 2026

quinidine

/kwɪˈnɪdɪn/ noun · British & US
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What does quinidine mean?

noun

A white, crystalline, bitter, alkaloid powder, C20H24N2O2, derived from the bark of the cinchona tree, used in medicine as an antiarrhythmic agent.

Example

"The doctor prescribed quinidine to regulate the patient's irregular heartbeat."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for quinidine

Rhymes with quinidine

Etymologically related