ETYM AS. dros, from dreósan to fall. Related to Dreary.
1. The scum or refuse matter which is thrown off, or falls from, metals in smelting the ore, or in the process of melting; recrement.
2. Waste matter; any worthless matter separated from the better part; leavings; dregs; refuse.

ETYM Swed. slagg, or lg. slacke, whence German schlacke; originally, perhaps, the splinters struck off from the metal by hammering. Related to Slay.
The dross or scoria of a metal.
In chemistry, the molten mass of impurities that is produced in the smelting or refining of metals.
The slag produced in the manufacture of iron in a blast furnace floats on the surface above the molten iron. It contains mostly silicates, phosphates, and sulfates of calcium. When cooled, the solid is broken up and used as a core material in the foundations of roads and buildings.
The scum formed by oxidation at the surface of molten metals; SYN. scoria, dross. + prikaži više