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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.
Definition source: English Wiktionary via Wiktextract
Usage: idiomatic, uncountable
Topics: medicine, sciences
Examples
- Meronyms: nitrous oxide, N2O; oxygen (strict sense), oxygen (loose sense), dioxygen, O2
- Near-synonym: Entonox (trade name: one particular brand)
Meaning relationships
Synonyms: Entonox
Antonyms: none provided
Used other than figuratively or idiomatically: see gas, and, air.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
No etymology was provided for this word.
