Gas,Laughing
《英文msh詞典》Gas,Laughing
[入口詞] Gas,Laughing
[主題詞] Nitrous Oxide
[藥動學] Anesthetics,Inhalation
[英文釋義] Nitrogen oxide (N2O). A colorless,odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen,causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream.