| 单词 | tile copper |
| 释义 | > as lemmastile copper tile copper n. impure copper or ‘bottoms’ (bottom n. 9b(b)) made in flat rectangular plates or ‘tiles’. ΘΚΠ society > occupation and work > materials > derived or manufactured material > metal > base metal > [noun] > copper > types of garcopper1654 rose copper1678 tile copper1825 pimple copper1848 blister-copper ore1861 pimple metal1870 tough-cake1881 tough pitch1881 electrolytic1912 1825 ‘J. Nicholson’ Operative Mechanic 714 The copper should be tough cake, and not tile. 1870 Roskell in Eng. Mech. 18 Feb. 547/3 They are then separated..and worked up to make an inferior quality of copper, known in the trade as ‘tile copper’. < as lemmas |
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