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单词 quercitannin
释义 quercitannin Chem.|kwɜːsɪˈtænɪn|
[f. L. querci- oak- + tannin.]
A form of tannin obtained from oak-bark. So querciˈtannic a., in quercitannic acid = quercitannin.
1845W. Gregory Outl. Org. Chem. 416 Tannic Acid..Syn. Quercitannic Acid, Tannine. This acid occurs chiefly in oak-bark and in nut-galls.1852C. Morfit Tanning and Currying (1853) 78 The tannin of tea is similar in properties to quercitannin.1895Naturalist 25 A tannin, which is probably quercitannin.
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