Definition of potassium hydroxide in English:

potassium hydroxide


mass noun
  • A strongly alkaline white deliquescent compound used in many industrial processes, e.g. soap manufacture.

    Chemical formula: KOH

    • ‘He isolated potassium, another well known alkali metal, from potassium hydroxide in the same year.’
    • ‘The list includes sodium hydroxide and potassium hydroxide, caustic chemicals that will rip the skin off your fingers and the lining from the throat.’
    • ‘Primary alkaline batteries use sodium hydroxide or potassium hydroxide as the electrolyte.’
    • ‘Sodium hydroxide or potassium hydroxide are used when greater alkalinity is required, but care must be taken when handling them as they are quite caustic.’
    • ‘Platinum also dissolves in hot alkalis such as hot sodium hydroxide or potassium hydroxide.’