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potassium hydroxide

noun

Chemistry.
  1. a white, deliquescent, water-soluble solid, KOH, usually in the form of lumps, sticks, or pellets, that upon solution in water generates heat: used chiefly in the manufacture of soap, as a laboratory reagent, and as a caustic.

potassium hydroxide

noun

  1. a white deliquescent alkaline solid used in the manufacture of soap, liquid shampoos, and detergents. Formula: KOH Also calledcaustic potash See also lye
“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 hydroxide

  1. A white, corrosive, solid compound used in bleaches and to make soaps and detergents. It is deliquescent, soluble in water and very soluble in alcohol. In solution, it forms lye. Chemical formula: KOH.
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Word History and Origins

Origin of potassium hydroxide1

First recorded in 1880–85
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