quinidine

quin·i·dine

Q q

Definitions of quinidine word

noun quinidine a colorless, crystalline alkaloid, C 2 0 H 2 4 N 2 O 2 , isomeric with quinine, obtained from the bark of certain species of cinchona trees or shrubs, used chiefly to regulate heart rhythm and to treat malaria. 1
noun quinidine A compound obtained from cinchona bark and used to treat irregularities of heart rhythm. It is an isomer of quinine. 1
noun quinidine a crystalline alkaloid drug that is an optically active diastereoisomer of quinine: used to treat heart arrhythmias. Formula: C20H24N2O2 0
noun quinidine a colorless, crystalline alkaloid, C20H24N2O2, isomeric with and resembling quinine, extracted from cinchona bark 0

before 1830

One of the 36% newest English words

First recorded in 1830-40; quin(ine) + -id3 + -ine2

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A common word. It’s meaning is known to most children of preschool age. About 70% of English native speakers know the meaning and use the word.

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