Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

English definition of “nitrogen dioxide”

nitrogen dioxide

noun [U]     specialized
a poisonous brown gas, formed when some metals dissolve in nitric acidSpecific chemicals, chemical compounds and gasesSubstances and structures in the bodyTypes of chemical
(Definition of nitrogen dioxide noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Focus on the pronunciation of nitrogen dioxide

Translations of “nitrogen dioxide”

Word of the Day

exercise

physical activity that you do to make your body strong and healthy

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More