laughing gas

NOUN

inhaled anesthetic

Synonyms

WEAK

N2O anesthetic nitrous oxide

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.

During the removal process, she wore a face mask connected to a rolling cart of the laughing gas and oxygen tanks.

From The Wall Street Journal • Mar. 1, 2026

Nitrous oxide – known colloquially as "laughing gas" – has many uses, from a painkiller during dental procedures to a whipping agent for canned whipped cream.

From BBC • May 27, 2025

Eutrophication and acidification are some of the environmental problems that can be traced to the use of ammonia -- as well as emissions of laughing gas, which is a very potent greenhouse gas.

From Science Daily • Feb. 5, 2024

It’s a little like “Mad Max” on laughing gas.

From New York Times • Jul. 20, 2023

Any time it rained in Bali, the clouds cracked open and fat drops of laughing gas fell down on everyone.

From "Hello, Universe" by Erin Entrada Kelly