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单词 melanochin
释义

melanochinn.

Origin: A borrowing from German. Etymon: German Melanochin.
Etymology: < German Melanochin (1864) < melano- melano- comb. form + chin- (in Chinin quinine n.). Compare French mélanochine (1868 in Littré). N.E.D. (1906) gives the pronunciation as (mĭlæ·notʃin) /mɪˈlænəʊtʃɪn/.
Chemistry. Obsolete.
A product of the action of ammonia and chlorine on quinine.
ΚΠ
1865 H. Watts Dict. Chem. III. 867 Melanochin, a doubtful product, formed..by the action of ammonia and chlorine upon quinine.
This entry has been updated (OED Third Edition, June 2001; most recently modified version published online December 2018).
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n.1865
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