nitrous oxide

== English == === Noun === nitrous oxide (uncountable) (inorganic chemistry) A nonflammable gas commonly used in surgery and dentistry for its anaesthetic and analgesic effects and in motorsport for bursts of added power. Alternative form: N₂O (symbol) Synonyms: laughing gas (anaesthetic); dinitrogen oxide, dinitrogen monoxide (current nomenclature); E942 (propellant); nos, nox, NOx (automotive booster); hippy crack (slang) Hypernyms: NOx, nitrogen oxide < oxide < compound, substance, material Holonym: gas and air Coordinate terms: nitric oxide (NO), nitrogen dioxide (NO₂) ==== Translations ==== ==== See also ==== gas and air === Further reading === nitrous oxide on Wikipedia.Wikipedia