Definition of Slag. Meaning of Slag. Synonyms of Slag
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Definition of Slag
slag Thomas phosphate Thom"as phos"phate or slag slag .
Same as Basic slag, above.
Slag Slag Slag, n. [Sw. slagg, or LG. slacke, whence G. schlacke;
originally, perhaps, the splinters struck off from the metal
by hammering. See Slay, v. t.]
1. The dross, or recrement, of a metal; also, vitrified
cinders.
2. The scoria of a volcano.
Slag furnace, or Slag hearth (Metal.), a furnace, or
hearth, for extracting lead from slags or poor ore.
Slag wool, mineral wool. See under Mineral.
Slag Slag Slag, n. (Metal.)
A product of smelting, containing, mostly as silicates, the
substances not sought to be produced as matte or metal, and
having a lower specific gravity than the latter; -- called
also, esp. in iron smelting, cinder. The slag of iron blast
furnaces is essentially silicate of calcium, magnesium, and
aluminium; that of lead and copper smelting furnaces contains
iron.
Slag Slag Slag, v. i. & t. [imp. & p. p. Slagged; p. pr. & vb. n.
Slagging.] (Metal.)
To form, or form into, a slag; to agglomerate when heated
below the fusion point.
