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potassium phosphate

noun

, Chemistry.
  1. any of the three orthophosphates of potassium (potassium monophosphate (K 2 HPO 4 ), potassium diphosphate (KH 2 PO 4 ), and tripotassium phosphate (K 3 PO 4 ) ).


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Word History and Origins

Origin of potassium phosphate1

First recorded in 1880–85

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