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gas and air

gas and air noun: an equal mixture of nitrous oxide and oxygen, used as a mild analgesic and anaesthetic, particularly during childbirth, for dental procedures, and in emergency medicine.

Noun

gas and air (uncountable)

  1. (idiomatic) An equal mixture of nitrous oxide and oxygen, used as a mild analgesic and anaesthetic, particularly during childbirth, for dental procedures, and in emergency medicine.
    • Meronyms: nitrous oxide, N₂O; oxygen (strict sense), oxygen (loose sense), dioxygen, O₂
    • Near-synonym: Entonox (trade name: one particular brand)
    Synonyms:
    Entonox
  2. Used other than figuratively or idiomatically: see gas, and, air.

Synonyms of gas and air

Questions about gas and air

What does gas and air mean?
Gas and air means an equal mixture of nitrous oxide and oxygen, used as a mild analgesic and anaesthetic, particularly during childbirth, for dental procedures, and in emergency medicine.
What part of speech is gas and air?
Gas and air is a noun.

Words near gas and air in the dictionary

  1. garçonnières
  2. garçons
  3. Garífuna
  4. Garčin
  5. gas
  6. gas and air
  7. gas and dash
  8. gas and dashes
  9. gas and gaiters
  10. gas and go
  11. gas and goes

Source and license

Adapted from Wiktionary: gas and air (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “gas and air.” Word.ws, https://word.ws/gas_and_air. Based on Wiktionary, CC BY-SA 4.0.