1. potash

noun. ['ˈpɑːˌtæʃ'] a potassium compound often used in agriculture and industry.


  • caustic potash
  • hydrated oxide
  • lye
  • hydroxide

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Words that Rhyme with Potash

  • moustache
  • mustache

Example sentences of the word potash

1. Noun, singular or mass
Adding small levels of potash can also help improve the soil.