potassium chloride

noun Chemistry.
  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.

Origin of potassium chloride

First recorded in 1880–85
Also called potassium muriate, potash muriate.

British Dictionary definitions for potassium chloride

potassium chloride

  1. a white soluble crystalline substance used as a fertilizer and in medicine to prevent potassium deficiency. Formula: KCl

potassium chloride in Science

potassium chloride

  1. A white crystalline solid or powder used widely in fertilizers and in the preparation of most potassium compounds. It occurs naturally as the mineral sylvite. A unique property of potassium chloride is that it is more soluble in hot water, but less soluble in cold water, than sodium chloride is. Chemical formula: KCl.