nitrogen oxide

1. 1.

   any of several oxides of nitrogen formed by the action of nitric acid on oxidizable materials; present in car exhausts

   Broaderoxidepollutant

Questions about nitrogen oxide

What does nitrogen oxide mean?

nitrogen oxide means "any of several oxides of nitrogen formed by the action of nitric acid on oxidizable materials; present in car exhausts".

Is nitrogen oxide a common word?

nitrogen oxide is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.