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Webster 1913 Edition

Noun.

[Cf. G.

speise

food, mixed metal for bells, etc.]

(Metal.)

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

speiss ‎(countable and uncountable, plural speisses)

A mixed arsenide of iron (and cobalt, nickel, and copper) produced during the smelting of lead