laughing gas


Example Sentences

Recent Examples on the Web Roget had spent the previous four years since his graduation taking additional courses and working odd jobs, even volunteering in the spring of 1799 as a test subject at the Pneumatic Institution in Clifton, England, for a trial of the sedative nitrous oxide, also known as laughing gas. Claudia Kalb, Smithsonian Magazine, 21 Apr. 2021 Most might know laughing gas for its use in anesthesia and treating severe pain in humans, but that's not why N2O is catching the attention of these astrobiologists. Wyatte Grantham-philips, USA TODAY, 6 Oct. 2022 Wells was inspired to incorporate laughing gas into his practice after attending a live demonstration showing its potent side effects in 1845. Lauren Sigfusson, Discover Magazine, 16 Jan. 2018 The first thing to know is that nitric oxide isn’t the same as nitrous oxide, also known as laughing gas, or the stuff that gets you a little high at the dentist. Erica Sweeney, Men's Health, 25 Jan. 2023 The second victim, age 72, told police Salata raped her on Nov. 21 — the same day of his arrest — after administering laughing gas following a fat reduction procedure, the arrest report states. Julianne Mcshane, NBC News, 1 Dec. 2022 When her contractions began to quicken, and deepen, a nurse came and tried to give some laughing gas to Meg. Town & Country, 10 Jan. 2023 Agricultural fertilizers release nitrous oxide (N2O, more commonly known as laughing gas), another powerful greenhouse gas. Roni Dengler, Discover Magazine, 19 June 2019 When the valve is opened, the mixture is propelled from the can by nitrous oxide (laughing gas), and the gas expands rapidly to create a foam. Jennifer Ouellette, Ars Technica, 22 Nov. 2022 See More

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'laughing gas.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1818, in the meaning defined above

Time Traveler
The first known use of laughing gas was in 1818

Dictionary Entries Near laughing gas

Cite this Entry

“Laughing gas.” Dictionary, Merriam-Webster, Accessed 30 May. 2023.

Kids Definition

laughing gas


Medical Definition

laughing gas


More from Merriam-Webster on laughing gas

Last Updated: - Updated example sentences
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