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Noun: gunpowder  'gún`paw-du(r)
  1. A mixture of potassium nitrate, charcoal, and sulphur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks
    - powder

Derived forms: gunpowders

Type of: explosive

Encyclopedia: Gunpowder Gunpowder, Treason & Plot