Share this entry

Share this page

nitrogen dioxide

Syllabification: ni·tro·gen di·ox·ide

Definition of nitrogen dioxide in English:

noun

Chemistry
A reddish-brown poisonous gas used in the manufacture of nitric acid. It is also an air pollutant, a constituent of untreated automobile exhaust.
Example sentences
  • Levels of nitric oxide, nitrogen dioxide and sulphur dioxide remained at a normally low level.
  • Increases in ozone, sulphur dioxide, nitrogen dioxide and carbon monoxide are blamed primarily on the motorist.
  • Free radicals such as nitric oxide and nitrogen dioxide show weak attractions toward magnetic fields - they are called paramagnetic.

Definition of nitrogen dioxide in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day emulous
Pronunciation: ˈɛmjʊləs
adjective
seeking to emulate someone or something