# nitrous

/ˈnɪtɹəs/ (US) · /nˈaɪtɹəs/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/nitrous
Updated: 2026-05-18

## Definition

relating to a chemical compound made of nitrogen and oxygen. It is often used to describe a gas that makes things burn faster.

For teachers: relating to or containing nitrous oxide, a chemical compound consisting of two nitrogen atoms and one oxygen atom. Often used in technical contexts to describe the properties of this specific gas.

## Examples

- The engine uses nitrous to increase its speed.
- In racing, drivers often use nitrous oxide to provide a quick burst of power during a straightaway.
- The chemical properties of nitrous oxide make it a popular choice for both medical anesthesia and high-performance automotive applications, though its environmental impact remains a subject of debate.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.