potassium chloride: Meaning and Definition of

potas'sium chlo'ride

Pronunciation: [key]
— Chem. Chem.
  1. a white or colorless, crystalline, water-soluble solid, KCl, used chiefly in the manufacture of fertilizers and mineral water, and as a source of other potassium compounds.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.