A kind of calamine (impure zinc ore) found as an incrustation in copper furnaces.
| 单词 | θ216794 |
| 释义 | society > occupation and work > materials > derived or manufactured material > materials produced from metalworking > [noun] > others (6) ostracitis1706 A kind of calamine (impure zinc ore) found as an incrustation in copper furnaces. blue billy1838 (a) impure lime containing blue iron compounds, esp. as a waste product of coal gas manufacture; liquid containing this; (b) copper-containing… placodine1854 = maucherite, n. hardhead1868 Metallurgy. A residue produced in the refining of tin, consisting of an alloy of tin, iron, and arsenic. placodite1886 = maucherite, n. chill-crystal1940 |
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