Share this entry

Share this page

nitrous oxide

Line breaks: ni|trous oxide
Pronunciation: /nʌɪtrəsˈɒksʌɪd
 
/

Definition of nitrous oxide in English:

noun

[mass noun]
A colourless gas with a sweetish odour, prepared by heating ammonium nitrate. It produces exhilaration or anaesthesia when inhaled and is used (mixed with oxygen) as an anaesthetic and as an aerosol propellant.
Example sentences
  • Other trace gases include methane, nitrous oxide, carbon monoxide, sulphur dioxide, and ozone.
  • These gases, including carbon dioxide, methane and nitrous oxide, absorb heat more readily than do the main constituents of our atmosphere, oxygen and nitrogen.
  • Carbon dioxide, methane, nitrous oxide, and other gases are known collectively as greenhouse gases because they trap heat in the atmosphere.

Definition of nitrous oxide 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 ads and access premium resources

Word of the day cumbersome
Pronunciation: ˈkəmbərsəm
adjective
large or heavy and therefore difficult to carry…