The substance of which bells are made; an alloy of copper and tin, the tin being in larger proportion than in ordinary bronze.
| 单词 | θ216662 |
| 释义 | society > occupation and work > materials > derived or manufactured material > metal > alloy > [noun] > other alloys of copper and tin (4) bell-metal1541 The substance of which bells are made; an alloy of copper and tin, the tin being in larger proportion than in ordinary bronze. speculum metal1796 attributive. speculum metal, an alloy of copper and tin used for making specula. Also speculum steel. temper1875 Concrete senses, in technical use. An alloy of tin and copper. speculum1912 = speculum metal at sense 6a (see sense 6a). |
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