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Meaning of nitrogen dioxide | Babel Free

Noun CEFR B2

Definitions

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.

uncountable

Equivalents

Examples

“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.”

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

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