noun
dinitrogen monoxide; nitrous oxide
Chemical name for N₂O, commonly known as laughing gas. Used in medical anesthesia and as a propellant.
See also: 亜酸化窒素
一酸化二窒素は吸入麻酔薬として使われる。
Nitrous oxide is used as an inhalation anesthetic.
歯科治療で一酸化二窒素が用いられることがある。
Nitrous oxide is sometimes used in dental treatment.