basic slag

American  

noun

Metallurgy.

1. slag formed by the basic process of steelmaking, used as a furnace or converter lining or as a fertilizer.

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basic slag British  

noun

1. a furnace slag produced in steel-making, containing large amounts of calcium phosphate: used as a fertilizer

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Etymology

Origin of basic slag

First recorded in 1885–90

Example Sentences

Meadow-land, benefited by basic slag, 414, 508; manuring of, 508; Norfolk experiments on, 509.

From Manures and the principles of manuring by Aikman, Charles Morton

Quite recently, also, a large source of phosphoric acid has been opened up in the basic slag, a rich phosphatic bye-product obtained in considerable quantity in steel-works from the basic process of steel manufacture.

From Manures and the principles of manuring by Aikman, Charles Morton

Bones, basic slag, or mineral phosphate ought to be applied, on the other hand, a long time before they are likely to be used.

From Manures and the principles of manuring by Aikman, Charles Morton

The same applies to basic slag, which contains a considerable quantity of free lime in its composition.

From Manures and the principles of manuring by Aikman, Charles Morton

It should never, for example, be used along with basic slag.

From Manures and the principles of manuring by Aikman, Charles Morton