单词 | cock metal |
释义 | cock metaln. Now rare. An alloy consisting of two parts of copper and one of lead, formerly used for making cocks (cock n.1 15) and taps. 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 1766 Gazetteer & New Daily Advertiser 14 Jan. Yellow metal, pot metal, cock metal, old pewter. 1822 T. Webster Imison's Elem. Sci. & Art (new ed.) II. 228 Cock metal is made with copper alloyed with zinc and lead. 1999 U.S. Patent 5,949,322 6 If it is desired only to protect the contact device from a soiling, then the casing can be made of deep-drawable material, such as tombac, cock metal, or of a plastic. This entry has been updated (OED Third Edition, September 2019; most recently modified version published online March 2022). < n.1766 |
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