点てん火か薬やく

noun

priming powder; ignition powder

Historical or technical term for gunpowder used to ignite the main charge in firearms or fireworks.

• 昔むかしの銃じゅうでは、点てん火か薬やくを火ひ皿ざらに入いれてから引ひき金がねを引ひいた。

  In old guns, priming powder was placed in the pan before pulling the trigger.