Meaning of potassium sulfate

potas'sium sul'fate

Pronunciation: [key]
— Chem. Chem.
  1. a crystalline, water-soluble solid, KSO, used chiefly in the manufacture of fertilizers, alums, and mineral water, and as a reagent in analytical chemistry.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.