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Noun: saltpetre  'solt'pee-tu(r)
Usage: Brit, Cdn (US: saltpeter)
  1. Crystalline salt (KNO₃), used especially as a fertilizer and explosive
    "saltpetre was a crucial component in early gunpowder formulations";
    - potassium nitrate, saltpeter [US], niter [US], nitre [Brit, Cdn]

Type of: nitrate

Part of: black powder, fertiliser [Brit], fertilizer, plant food

Encyclopedia: Saltpetre, West Virginia