Slag meaning

slăg
Slag is waste matter separated from metal during smelting.

An example of slag is the iron and silica that is removed during copper and lead smelting.

noun
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The vitreous mass left as a residue by the smelting of metallic ore.
noun
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To change into or form slag.
verb
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To form into slag.
verb
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To slag is defined as to create waste matter from metal smelting.

An example of to slag is for the heat of copper smelting to remove the iron and silica from the copper.

verb
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The fused refuse or dross separated from a metal in the process of smelting.
noun
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Lava resembling this.
noun
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To criticize, disparage, or insult.
verb
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To form into slag.
verb
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The vitreous mass left as a residue by the smelting of metallic ore. It consists mostly of the siliceous and aluminous impurities from the iron ore.
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Origin of slag

  • Low German slagge from Middle Low German

    From American Heritage Dictionary of the English Language, 5th Edition