Entonox

name

name ·Rare ·Advanced level

Definitions

Proper Noun

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"

Synonyms

Example

"Meronyms: nitrous oxide, N₂O; oxygen (strict sense), oxygen (loose sense), dioxygen, O₂"

Etymology

Brand name.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.