What is another word for nitrous oxides?
Pronunciation: [nˈa͡ɪtɹəs ˈɒksa͡ɪdz] (IPA) 
Nitrous oxide, commonly known as "laughing gas," is a colorless and odorless gas with a slightly sweet taste. It is a greenhouse gas that contributes to the depletion of the ozone layer and is considered a major air pollutant. To avoid repetition in writing, there are several synonyms one can use for nitrous oxides, including nitrogen oxides and NOx. The term NOx refers to a family of compounds consisting of nitrogen and oxygen. They include nitric oxide (NO), nitrogen dioxide (NO2), and nitrous oxide (N2O). All of these compounds are produced by combustion sources, and their emissions lead to adverse health effects such as respiratory problems, smog, and acid rain.
