- Metal refuse
- Slag
- Smelting waste
- The recrement of metals in fusion, or the slag rejected
after the reduction of metallic ores; dross.
- Cellular slaggy lava; volcanic cinders.
- It’s sordid, a bit backward, and is poor quality
- Metal refuse
- Scum of melting metals
- Slag
- Slag, waste material
- Smelting waste
- Waste matter