Definition of caustic potash in US English:

caustic potash


  • another term for potassium hydroxide
    • ‘OxyChem is the world's largest producer of liquid caustic potash.’
    • ‘Potassium phosphate, which represents 10 percent of the caustic potash market, will grow at 4.5 percent in the next several years.’
    • ‘In soap making, it was formerly customary to saponify the fat with caustic potash, and then to add common salt.’
    • ‘When we neutralize hydrochloric acid with caustic potash solution then potassium chloride and water originate.’
    • ‘Up to now, caustic potash at this quality level did not exist.’


caustic potash

/ˈkôstik ˈpädˌaSH/