下しも瀬せ火か薬やく

noun

Shimose powder; Shimose explosive

Historical term for an explosive used by the Imperial Japanese Navy, developed by Shimose Masachika. Composed chiefly of picric acid.

• 下しも瀬せ火か薬やくは日にち露ろ戦せん争そうで使し用ようされた。

  Shimose powder was used in the Russo-Japanese War.