Chemistry. Crude zinc oxide, esp. as formed by sublimation in a furnace. Obsolete (historical in later use).
| 单词 | θ68687 |
| 释义 | the world > matter > chemistry > elements and compounds > metals > specific elements > zinc > [noun] > compounds > flowers of zinc (4) pompholyx1543 Chemistry. Crude zinc oxide, esp. as formed by sublimation in a furnace. Obsolete (historical in later use). nill1545 Zinc oxide, esp. as a by-product of the smelting or calcination of copper or brass. soot1611 (See quots. and cf. nill, n.2) Obsolete. botrytis1657 A botryoidal form of impure zinc oxide produced in smelting brass. Cf. calamine, n., smithsonite, n. Obsolete. |
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