nitrous

Fetched 2026-10-26 (cache).

Synonyms: citrous, nitros, nigrous

Antonyms: citrous, nitros, nigrous

Related words from Datamuse; suggestions, not definitions.

Adjective

1. {{lb|en|now|historical}} Pertaining to or composed of [[nitre]]; having the properties of nitre, [[bitter]]. {{defdate|from 16th c.}}
2. {{lb|en|chemistry}} Of, relating to, or derived from [[nitrogen]], especially in which the [[valence]] of the nitrogen is lower than that of a corresponding [[nitric]] species. {{defdate|from 17th c.}}
3. {{lb|en|chemistry}} Of or relating to [[nitrous acid]] or its derivatives.
4. {{lb|en|mycology|biology}} Having a sharp odor like ammonia or [[nitric acid]].

Noun

1. {{lb|en|dentistry|automotive|informal}} [[nitrous oxide|Nitrous oxide]].
2. {{lb|en|automotive|informal}} The system in some racing vehicles which pumps [[nitrous oxide]] into the engine to improve performance.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.