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Noun: potassium nitrate
  1. (KNO3) used especially as a fertilizer and explosive
    - saltpeter [US], saltpetre [Brit, Cdn], niter [US], nitre [Brit, Cdn]

Derived forms: potassium nitrates

Type of: nitrate

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

Encyclopedia: Potassium nitrate