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单词 philosophic cotton
释义

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philosophic cotton
philosophic cotton n. Obsolete a name for zinc oxide, when obtained as a white flocculent powder by burning zinc.extracted from cottonn.1
philosophic cotton
philosophic cotton n. Obsolete = philosophers' wool n. at philosopher n. Compounds 3.
ΚΠ
1753 Chambers's Cycl. Suppl. Philosophic Cotton, a name given by some chemical writers to the flowers of zink, from their whiteness, and silky or cottony appearance.
extracted from philosophicadj.
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