speiss

Speiss \Speiss\, n. [Cf. G. speise food, mixed metal for bells, etc.] 1. (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. [1913 Webster] 2. (Metal.) Impure metallic arsenides, principally of iron, produced in copper and lead smelting. [Webster 1913 Suppl.]