| 单词 | delta-metal |
| 释义 | > as lemmasdelta-metal delta-metal n. an alloy of copper, zinc, and iron introduced about 1883, and named in allusion to its three constituents. ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > alloy > [noun] > other copper alloys tombac1602 blanched copper1621 orichalcum1646 cock metal1766 gold bronze1785 bidri1794 tumbaga1860 Aich's metal1861 sterro-metal1865 talmi1868 Abyssinian gold1869 delta-metal1883 Tobin bronze1891 manganin1894 Eureka1914 1883 Engineer 23 Feb. 140 Mr. Alexander Dick [has] succeeded in producing an alloy which he calls ‘Delta metal’. 1884 Times 14 June 8 ‘Delta metal’..is an alloy of copper, zinc, and iron..A steam launch..has..been built entirely of this metal [by Mr. A. Dick]. < as lemmas |
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