Dictionary

nitrogen oxide

noun

Definition of NITROGEN OXIDE

:  any of several oxides of nitrogen most of which are produced in combustion and are considered to be atmospheric pollutants: as
a :  nitric oxide
b :  nitrogen dioxide
c :  nitrous oxide

First Known Use of NITROGEN OXIDE

1869

Browse

Next Word in the Dictionary: nitrogen pentoxidePrevious Word in the Dictionary: nitrogen narcosisAll Words Near: nitrogen oxide
June 30, 2015
disinformation Hear it
false information deliberately spread
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears