Assertion: nitrogen dioxide | /r/Synonym | nitrogen oxides
Facets:
value: collectively
type: MANNER
Source sentences:
text: Nitrogen oxide (NO) and nitrogen dioxide (NO 2 ) are collectively known as nitrogen oxides (NO x ).
text: Nitrogen dioxide (NO 2 ) is one of the nitrogen oxides (NO x ), a group of air pollutants produced from combustion processes.
text: Nitrogen Dioxide is one of several nitrogen oxides.