entonox

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Proper noun

1. {{lb|en|pharmaceutical drug}} A mixture of [[nitrous oxide]] and [[oxygen]] used as an [[analgesic]], especially during [[labour#English:_Q34581 or component thereof|labour]].

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.