粉ふん塵じん爆ばく発はつ

noun

dust explosion

Technical term for a rapid combustion of fine particles suspended in air, often in industrial settings.

• 工こう場じょうでは粉ふん塵じん爆ばく発はつを防ふせぐために集しゅう塵じん機きが設せっ置ちされている。

  Dust collectors are installed in the factory to prevent dust explosions.

• 小こ麦むぎ粉この粉ふん塵じん爆ばく発はつは非ひ常じょうに危き険けんだ。

  A dust explosion of wheat flour is extremely dangerous.