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
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“Quinoidine.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quinoidine. Accessed 29 Nov. 2024.
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