# nitrous oxide

> English word · Noun

## Definitions
1. A nonflammable gas commonly used in surgery and dentistry for its anaesthetic and analgesic effects and in motorsport for bursts of added power.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/nitrous-oxide