laughing gas

noun

: nitrous oxide

Examples of laughing gas in a Sentence

Recent Examples on the Web

Years of climate abuse, of reckless drilling at the ends of the earth, have unleashed a wave of methane, which in terms of environmental destruction makes carbon dioxide look like laughing gas. — Owen Gleiberman, Variety, 29 Sep. 2026

Social media trends are fueling a dangerous form of substance use among teenagers in the United States involving common household and commercial products, including inhaling nitrous oxide, or laughing gas. — Katia Hetter, CNN Money, 15 May 2026

Whoever put that panel together must have been on laughing gas. — John McPhee, New Yorker, 20 Apr. 2026

Amy Louise Leonard, 20, a makeup artist from Greater Manchester in England, lost the ability to walk for three weeks after inhaling a balloon filled with nitrous oxide, commonly called laughing gas. — Cara Lynn Shultz, PEOPLE, 10 Oct. 2025

Word History

First Known Use

1818, in the meaning defined above

Rhymes for laughing gas

• fiberglass
• fibreglass
• hourglass
• isinglass
• lemongrass
• martinmas
• orchardgrass
• overpass
• plexiglas
• plexiglass
• sassafras
• superclass

Kids Definition

laughing gas

noun

: nitrous oxide

Medical Definition

laughing gas

noun

: nitrous oxide