a furnace slag produced in steel-making, containing large amounts of calcium phosphate: used as a fertilizer
WordReference Random House Unabridged Dictionary of American English © 2025
ba′sic slag′, [Metall.]
- Metallurgyslag formed by the basic process of steelmaking, used as a furnace or converter lining or as a fertilizer.
- 1885–90
Collins Concise English Dictionary © HarperCollins Publishers::
'basic slag' also found in these entries (note: many are not synonyms or translations):