noun
choking gas; asphyxiating gas
Refers to any gas that causes suffocation, often in industrial, military, or disaster contexts.
工場で窒息ガスが漏れた。
Choking gas leaked at the factory.
窒息ガスによる事故を防ぐため、換気を徹底してください。
Please ensure thorough ventilation to prevent accidents caused by asphyxiating gas.