水すい素そ爆ばく発はつ

noun

hydrogen explosion

Technical term for an explosion caused by hydrogen gas, often used in contexts such as nuclear accidents or chemical plant incidents.

• 福ふく島しま第だい一いち原げん発ぱつでは、水すい素そ爆ばく発はつが建たて屋やを破は壊かいした。

  At the Fukushima Daiichi nuclear plant, a hydrogen explosion destroyed the reactor building.