黒こく色しょく火か薬やく

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.

• 黒こく色しょく火か薬やくは花はな火びや古ふるい銃じゅうに使つかわれる。

  Black powder is used in fireworks and old guns.