Found 2 items, similar to basic slag.
English → English (WordNet) Definition: basic slag basic slag n : slag produced in making steel; low in silica but having large amounts of calcium phosphate; useful as fertilizer
English → English (gcide) Definition: Basic slag Basic slag \Basic slag\ A by-product from the manufacture of steel by the basic process, used as a fertilizer. It is rich in lime and contains 14 to 20 per cent of phosphoric acid. Called also Thomas slag, phosphatic slag, and odorless phosphate. [Webster 1913 Suppl.]