English

Noun

nitrous oxide ‎(uncountable)

1. (inorganic chemistry) A non-flammable gas (N₂O) commonly used in surgery and dentistry for its anaesthetic and analgesic effects.

Synonyms

• dinitrogen oxide, dinitrogen monoxide, laughing gas (common name when used as an anaesthetic or analgesic)
• E942 when used as a propellant

Translations

See also

• gas and air