Definition of NOx in English:

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NOx

noun

Oxides of nitrogen, especially as atmospheric pollutants.
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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