Word.ws English Dictionary

Entonox

Entonox proper noun: a mixture of nitrous oxide and oxygen used as an analgesic, especially during labour.

Proper noun

Entonox

  1. A mixture of nitrous oxide and oxygen used as an analgesic, especially during labour.
    • Meronyms: nitrous oxide, N₂O; oxygen (strict sense), oxygen (loose sense), dioxygen, O₂
    • Near-synonym: gas and air (informal and nonproprietary name)
    Synonyms:
    gas and air

Synonyms of Entonox

Origin of Entonox

Brand name.

Questions about Entonox

What does Entonox mean?
Entonox means a mixture of nitrous oxide and oxygen used as an analgesic, especially during labour.
What part of speech is Entonox?
Entonox is a proper noun.

Words near Entonox in the dictionary

  1. entones
  2. entonic
  3. entoning
  4. entoniscid
  5. entoniscids
  6. Entonox
  7. entonyssid
  8. entonyssids
  9. entopallial
  10. entopallium
  11. entoparasite

Source and license

Adapted from Wiktionary: Entonox (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: “Entonox.” Word.ws, https://word.ws/entonox. Based on Wiktionary, CC BY-SA 4.0.