white tombac
now historical
noun
A silvery-white alloy of copper and arsenic.
Origin
Late 18th century; earliest use found in James Keir (1735–1820), chemist and industrialist. After French tombac blanc.
| 单词 | white tombac |
| 释义 | white tombacnow historical noun A silvery-white alloy of copper and arsenic. Origin |
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