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Definitions

nitrous oxide

NOUN
laughing gas
Synonyms


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.

The centers are also adding nitrous oxide, or laughing gas, for intrauterine device insertions.

From The Wall Street Journal • Mar. 1, 2026

Patients living with major depressive disorder, including those who have not improved with commonly prescribed antidepressants, may benefit from short-term nitrous oxide treatment, according to a large meta-analysis led by the University of Birmingham.

From Science Daily • Dec. 2, 2025

Meanwhile, fertiliser use emits nitrous oxide -- the third-most-potent greenhouse gas after methane and carbon dioxide.

From Barron's • Nov. 11, 2025

Ye has since sued his dentist for "recklessly" supplying Ye with "dangerous amounts of nitrous oxide".

From BBC • May 27, 2025

Some of it turns into nitrous oxide, a gas that increases global warming.

From "The Omnivore's Dilemma" by Michael Pollan