- A poisonous brown gas, NO2, frequently within smog and vehicle fatigue fumes and synthesized for usage as a nitrating agent, a catalyst, and an oxidizing broker.
- the binary compound NO2, a brownish fuel which a poisonous atmosphere pollutant; it is present in balance with dinitrogen tetroxide.
- a very poisonous brown gas (NO2)
Sentence for "nitrogen dioxide"
Hypernym for "nitrogen dioxide"
Urban Dictionary for "nitrogen dioxide"