01 n. A regulus consisting essentially of nickel, obtained as a residue in fusing cobalt and nickel ores with silica and sodium carbonate to make…
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1.
A regulus consisting essentially of nickel, obtained as a residue in fusing cobalt and nickel ores with silica and sodium carbonate to make smalt.(Metal.)
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2.
Impure metallic arsenides, principally of iron, produced in copper and lead smelting.(Metal.)