nitrogen dioxide
noun1
Chemistry, Inorganic chemistry, Natural sciences, Physical sciences The binary compound NO₂, a brownish gas that is a poisonous air pollutant; it exists in equilibrium with dinitrogen tetroxide. It can be the poisonous result of a nitric acid spill contacting ambient air.
- Black carbon is the sooty material ejected from diesel engines in their exhaust gases. RSSB notes that it can cause lung diseases. Nitrogen dioxide is also a product of burning diesel and can effect people's lungs.2021 October 6, Philip Haigh, “Pollutants and air quality on our trains”, in RAIL, number 941, page 32: