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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
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.
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Word History and Origins

Origin of potassium chloride1

First recorded in 1880–85
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