nitrous oxide

English

Noun

nitrous oxide (uncountable)

  2. (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)
    • 2024 September 23, Trace William Cowen, “What the Hell Is Galaxy Gas?”, in Complex‎[1]:
      On social media and beyond, many have taken to using the brand’s name in a more colloquial fashion, with “Galaxy Gas” being used as a catchall for nitrous oxide inhalants at large, regardless of whether they are actually Galaxy Gas products or not.

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