quinoidine

noun

qui·​noi·​dine
kwə̇ˈnȯiˌdēn,
-dᵊn
variants or quinoidin
-dᵊn
plural -s
: a bitter brownish resinous mixture often molded into sticks of amorphous alkaloids obtained as a by-product in the extraction of cinchona bark for crystalline alkaloids and formerly used as a substitute for quinine

Word History

Etymology

International Scientific Vocabulary quin- + -oid + -ine or -in

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Cite this Entry

“Quinoidine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quinoidine. Accessed 30 Jan. 2023.

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