laughing gas Meaning in the Cambridge English Dictionary Cambridge dictionaries logo

Meaning of “laughing gas” in the English Dictionary

"laughing gas" in British English

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laughing gasnoun [U]

uk   us   informal
nitrous oxide : a ​type of ​gas that is used as an ​anaesthetic (= a ​substance that ​stopspain)
(Definition of laughing gas from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)
Translations of “laughing gas”
in Chinese (Simplified) 笑气…
in Chinese (Traditional) 笑氣…
What is the pronunciation of laughing gas?
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