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slag |
5 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Thomas phosphate \Thom"as phos"phate\ or slag \slag\ . Same as {Basic slag}, above. From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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}. From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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. From Webster's Revised Unabridged Dictionary (1913) [web1913]: 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. From WordNet r 1.6 [wn]: slag n : the scum formed by oxidation at the surface of molten metals [syn: {scoria}, {dross}]
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