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

Third year, 4 cwt. basic slag or 3 cwt. superphosphate and 1 cwt. nitrate of soda.

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

The results obtained in Scotland by Dr Aitken at the Highland Society's stations were especially favourable to basic slag as a phosphatic manure.

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

The chemist's test which is fair for acid phosphate is admittedly not fair when used for basic slag.

From Crops and Methods for Soil Improvement by Agee, Alva

Nitrate of soda must not be mixed with superphosphate, but it may be added to basic slag and the potash manures.

From The Culture of Vegetables and Flowers From Seeds and Roots 16th Edition by Sutton and Sons

On the other hand, when the manure applied is of a slow-acting nature, such as bones or basic slag, its influence will probably be felt for a number of years.

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