Definition of NOx in English:


Line breaks: NOx
Pronunciation: /nɒks


[mass noun]
  • Oxides of nitrogen, especially as atmospheric pollutants: targets to reduce NOx [as modifier]: NOx emissions
    More example sentences
    • As my passengers speak knowingly about performance features and NOx traps (nitrogen oxides are a nasty component of most fuel exhaust), I am fixated on the hydrogen sensors.
    • They also emit nitrogen oxides, or NOx, a key component of smog.
    • The harmful effects of NOx and carbon dioxide have not been calculated, but are probably lower than either SO2 or ozone.

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