| 单词 | manganese brown |
| 释义 | > as lemmasmanganese brown manganese brown n. a textile dye which produces a brown colour owing to precipitation of manganese oxides on the fibres. ΚΠ 1842 T. Graham Elements Chem. ii. v. 533 Manganese brown. 1957 Encycl. Brit. VII. 794/1 Manganese brown..can be applied in wool, silk and cotton dyeing. < as lemmas |
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