SLAG • DICCIONARIO INGLES.COM • Definition of Slag

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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

... appear to be smooth and have small irregular-shaped grains, and there will also be an appearance of compactness. If the pipe is iron, the texture will have the appearance of being ragged and will show streaks of slag or black. When screw pipe is cut there is always left a large burr on the inside of the pipe. This burr greatly reduces the bore of the pipe and is a source of stoppage in waste pipes. After the pipe is cut this burr should be reamed out thoroughly. One of the strong points of screw pipe ...

— Elements of Plumbing • Samuel Dibble

... and roseate peaks end, and where the clouds of heaven begin. Surely the awe-struck voyager may be excused if, at first, he refuses to believe the geologist, who tells him that these glorious masses are, after all, the hardened mud of primeval seas, or the cooled slag of subterranean furnaces—of one substance with the dullest clay, but raised by inward forces to that place of proud and seemingly ...

— Lectures and Essays • T.H. Huxley

... through which the river passes is, by native report, quite fearful to behold. The country round it is so rocky, that our companions dreaded the fatigue, and were not much to blame, if, as is probably the case, the way be worse than that over which we travelled. As we trudged along over the black slag- like rocks, the almost leafless trees affording no shade, the heat was quite as great as Europeans could bear. It was 102 degrees in the shade, and a thermometer placed under the tongue or armpit ...

— A Popular Account of Dr. Livingstone's Expedition to the Zambesi and Its Tributaries • David Livingstone

... full blaze, and light shone from all the windows and apertures. Within hammers and rolling mills were going with such force that the air rang with their clatter and boom. All around the workshops proper were immense coal sheds, great slag heaps, warehouses, wood piles, and tool sheds. Just beyond were long rows of workingmen's homes, pretty villas, schoolhouses, assembly halls, and shops. But there all was quiet and apparently everybody was asleep. The boy did not glance in that direction, but gazed intently at the ironworks. ...

— The Wonderful Adventures of Nils • Selma Lagerlof

... by which the phosphorus is removed from the iron in the process of converting it into steel. This consists in lining the crucible or converter with lime and magnesia, which takes up the phosphorus from the melted iron. This slag lining, now rich in phosphates, can be taken out and ground up for fertilizer. So the phosphorus which used to be a detriment is now an additional source of profit and this British invention has enabled Germany to make use of the territory she stole from France to outstrip England in the steel ...

— Creative Chemistry - Descriptive of Recent Achievements in the Chemical Industries • Edwin E. Slosson

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