窒ちっ息そく性せい

noun which may take the genitive case particle 'no'

suffocating; asphyxiating

Technical or medical term describing gases, environments, or conditions that cause suffocation. Used attributively with の.

• このガスは窒ちっ息そく性せいがあるので、換かん気きが必ひつ要ようです。

  This gas is asphyxiating, so ventilation is necessary.

• 窒ちっ息そく性せいの雰ふん囲い気きでは作さ業ぎょうしないでください。

  Do not work in a suffocating atmosphere.