- an explosive powder, esp. a blackish mixture of sulfur, potassium nitrate, and charcoal, used as a charge in cartridges, shells, etc., for blasting, in fireworks, etc.
- gunpowder tea
Any of various explosive powders used to propel projectiles from guns, especially a black mixture of potassium nitrate, charcoal, and sulfur.
(countable and uncountable, plural gunpowders)
- Gunpowders refers to multiple formulations for the uncountable not gunpowder.