SLAG • DICTIONARY ONE.COM • Definition of Slag

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/slæg/ Listen

noun

Slag n.

The dross, or recrement, of a metal; also, vitrified cinders.

The scoria of a volcano.

(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 furnace, or Slag hearth (Metal.), a furnace, or hearth, for extracting lead from slags or poor ore.

Slag wool, mineral wool. See under Mineral.

verb

Slag v. i. & v. t. (past & past part. slagged; pres. part. slagging) (Metal.) To form, or form into, a slag; to agglomerate when heated below the fusion point.

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Etymology of 'Slag'

Collaborative International Dictionary of English 0.48

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"Slag" Quotes from Famous Books

... replace the soil-constituents consist of stable manure, leguminous plants, coffee-tree prunings, leaves, certain weeds, oil cake, bone and fish meal, guano, wood ashes, coffee pulp and parchment, and such chemical fertilizers as superphosphate of lime, basic slag, sulphate of ammonia, nitrate of lime, sulphate of potash, nitrate of potash, and ...

— All About Coffee • William H. Ukers

... extent of the excavations from whence these metallic relics were procured, it is not surprising that these mounds of slag continue to be constantly met with. Two hundred years ago, they were of course much more abundant, having formed since that period a large part of the supply to the iron furnaces of this district. They are yet numerous enough ...

— Iron Making in the Olden Times - as instanced in the Ancient Mines, Forges, and Furnaces of The Forest of Dean • H. G. Nicholls

... sat on the ground and ate food which they produced from their pockets or from paper bundles. It was not very tempting-looking food. Yet there were men in the crowd who looked longingly at it, and a few scuffles occurred in attempts to get some. That crowd represented the slag and scum of the boiling pot of nineteenth-century conditions. And as the flotsam on a river always centres at its eddies, so these had drifted, from the country, and from the slums, to the centre of the whirlpool of American life. Here they were waiting. Waiting ...

— The Honorable Peter Stirling and What People Thought of Him • Paul Leicester Ford

... whatever, per se. Aside from its golden encircling band studded with silver nails, its worth seemed practically nothing. As it lay on the table before him, he realized that it was nothing but a common aerolite, with the appearance of black slag. Its glossy, pitchlike surface, on the end that had been exposed from the wall, was all worn and polished smooth by innumerable caresses ...

— The Flying Legion • George Allan England

... innovation in the last generation has been the constantly growing use of basic slag, formerly left neglected at the pit mouth and now generally recognized as a ...

— A Short History of English Agriculture • W. H. R. Curtler

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