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释义
society > occupation and work > materials > derived or manufactured material > metal > base metal > [noun] > copper > types of (9)
garcopper1654

Refined copper.

rose copper1678

a highly refined form of metallic copper; cf. rosette copper n. at rosette, n. compounds 3.

tile copper1825

impure copper or ‘bottoms’ (bottom, n. 9b(b)) made in flat rectangular plates or ‘tiles’.

pimple copper1848

= pimple metal n.

blister-copper ore1861

copper having a blistered surface, obtained during smelting just before the final operation; hence attributive blister-copper ore.

pimple metal1870

an intermediate product in the smelting of copper, containing about 75 per cent or more of copper and having pimples on the surface formed by…

tough-cake1881

see quots. 1881 1896.

tough pitch1881

commercially pure copper in which the amount of cuprous oxide was reduced by poling to the value at which it would produce minimum brittleness…

electrolytic1912

Electrolytically refined copper (as a market commodity). rare.

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