nitrogen dioxide

Fetched 2026-10-26 (cache).

Synonyms: nitrogen oxide, nitrogen trioxide, nitrogen dioxides

Antonyms: nitrogen oxide, nitrogen trioxide, nitrogen dioxides

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{senseid|en|Q207895}} {{lb|en|inorganic compound}} The [[binary compound]] [[NO₂]], a brownish gas that is a [[poisonous]] [[air]] [[pollutant]]; it exists in equilibrium with [[dinitrogen tetroxide]]. {{n-g|It can be the poisonous result of a [[nitric acid]] spill contacting ambient air.}}

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