- A mixture of impure compounds of arsenic and antimonium with nickel, cobalt, iron, and other metals, produced in the smelting of cobalt and other ores.More example sentences
- Mattes and speiss are also used as collector in smelts.
late 18th century: from German Speise 'food, amalgam'.
More definitions of speissDefinition of speiss in:
- The US English dictionary