laughing gas
Americannoun
noun
Etymology
Origin of laughing gas
First recorded in 1835–45
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Select locations will offer laughing gas as a pain reliever for insertion and removal of IUDs.
From The Wall Street Journal • Mar. 1, 2026
"Engine tests have shown varying degrees of emissions of laughing gas, which is a very potent greenhouse gas with more than 200 times the global warming impact than carbon dioxide."
From Science Daily • Feb. 5, 2024
It’s a little like “Mad Max” on laughing gas.
From New York Times • Jul. 20, 2023
He will say the new measures, including "hotspot" policing and a ban on nitrous oxide or laughing gas, underscores his zero-tolerance approach to anti-social behaviour which will see offenders receiving swift and visible punishments.
From Reuters • Mar. 26, 2023
There is no air in the City but there is breath, and every morning it races through him like laughing gas brightening his eyes, his talk, and his expectations.
From "Jazz" by Toni Morrison
![]()
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.