• synonyms

potassium diphosphate

noun Chemistry.

See under potassium phosphate.

Nearby words

Definition for potassium diphosphate (2 of 2)

potassium phosphate

noun Chemistry.

any of the three orthophosphates of potassium (potassium monophosphate (K2HPO4), potassium diphosphate (KH2PO4), and tripotassium phosphate (K3PO4)).

Origin of potassium phosphate

First recorded in 1880–85 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019