laughing gas

noun

: nitrous oxide

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

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Word History

First Known Use

1818, in the meaning defined above

Kids Definition

laughing gas

noun

: nitrous oxide

Medical Definition

laughing gas

noun

: nitrous oxide