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su•per•phos•phate



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

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

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