Noun: gunpowder 'gún,paw-du(r)
- A mixture of potassium nitrate, charcoal, and sulphur in a 75:15:10 ratio which is used in gunnery, time fuses, and fireworks
"The invention of gunpowder revolutionized warfare";
- powder
Derived forms: gunpowders
Type of: explosive
Encyclopedia: Gunpowder, Treason and Plot