nitrogen dioxide

noun

The binary compound NO₂, a brownish gas that is a poisonous air pollutant; it exists in equilibrium with dinitrogen tetroxide. It can be the poisonous result of a nitric acid spill contacting ambient air.

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Meanings

nounnitrogen dioxide (uncountable)
  1. uncountablechemistryThe binary compound NO₂, a brownish gas that is a poisonous air pollutant; it exists in equilibrium with dinitrogen tetroxide. It can be the poisonous result of a nitric acid spill contacting ambient air.

    Black carbon is the sooty material ejected from diesel engines in their exhaust gases. RSSB notes that it can cause lung diseases. Nitrogen dioxide is also a product of burning diesel and can effect people's lungs.

    2021 October 6, Philip Haigh, “Pollutants and air quality on our trains”, in RAIL, number 941, page 32

Translations

Chinese Cantonese 二氧化氮
  • 二氧化氮 (ji⁶ joeng⁵ faa³ daam⁶)the binary compound NO2
Chinese Mandarin 二氧化氮
  • 二氧化氮 (èryǎnghuàdàn)the binary compound NO2
Czech oxid dusičitý
  • oxid dusičitýthe binary compound NO2
Finnish typpidioksidi
  • typpidioksidithe binary compound NO2
French dioxyde d'azote
  • dioxyde d'azotethe binary compound NO2
German Stickstoffdioxid, Nitrogendioxid
  • Stickstoffdioxidthe binary compound NO2
  • Nitrogendioxidthe binary compound NO2
Hungarian nitrogén-dioxid
  • nitrogén-dioxidthe binary compound NO2
Indonesian nitrogen dioksida
  • nitrogen dioksidathe binary compound NO2
Italian biossido di azoto, diossido di azoto
  • biossido di azotothe binary compound NO2
  • diossido di azotothe binary compound NO2
  • ipoazotidethe binary compound NO2
Japanese 二酸化窒素
  • 二酸化窒素 (nisanka chisso)the binary compound NO2
Korean 이산화질소
  • 이산화질소 (isanhwajilso)the binary compound NO2
Norwegian Bokmål nitrogendioksid
  • nitrogendioksidthe binary compound NO2
Polish dwutlenek azotu
  • dwutlenek azotuthe binary compound NO2
Portuguese dióxido de nitrogênio, dióxido de nitrogénio
  • dióxido de nitrogêniothe binary compound NO2
  • dióxido de nitrogéniothe binary compound NO2
  • dióxido de azotothe binary compound NO2
Romanian dioxid de azot
  • dioxid de azotthe binary compound NO2
Spanish dióxido de nitrógeno
  • dióxido de nitrógenothe binary compound NO2
Cite this entry
APA

nitrogen dioxide. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/nitrogen%20dioxide

MLA

“nitrogen dioxide.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/nitrogen%20dioxide. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “nitrogen dioxide,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/nitrogen%20dioxide.

Source: nitrogen dioxide on Wiktionary, CC BY-SA 4.0.