<chemistry> A regulus consisting essentially of nickel, obtained as a residue in fusing cobalt and nickel ores with silica and sodium carbonate to make smalt.

Origin: Cf. G. Speise food, mixed metal for bells, etc

(01 Mar 1998)

speedwell, Spee, Ferdinand Graf von, speight < Prev | Next > spekboom, spelding, spelencephaly

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