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.

potassium chloride

noun

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

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.

Word History and Origins

Origin of potassium chloride¹

First recorded in 1880–85