noun
black powder; gunpowder
Refers specifically to the traditional explosive mixture of saltpeter, charcoal, and sulfur. In modern contexts, it is often distinguished from smokeless powder.
黒色火薬は花火や古い銃に使われる。
Black powder is used in fireworks and old guns.
Compound of 黒色 (black color) and 火薬 (gunpowder), literally 'black-colored gunpowder'.