superphosphate: Meaning and Definition of
Pronunciation: (s"pur-fos'fāt), [key]
— n. Chem.
- Also calleda mixture of calcium acid phosphate and calcium sulfate prepared by treating phosphate rock with sulfuric acid: used chiefly as a fertilizer.
- Also calleda mixture prepared with phosphoric acid and containing about 45 percent of soluble phosphates, used as a fertilizer.