What is another word for nitrogen oxide?
Pronunciation: [nˈa͡ɪtɹəd͡ʒən ˈɒksa͡ɪd] (IPA) 
Nitrogen oxide is a compound made up of nitrogen and oxygen. It is commonly referred to as NOx. One synonym for nitrogen oxide is nitric oxide, which is a colorless gas with a slightly sweet odor. Another synonym for NOx is nitrogen dioxide, which is a reddish-brown gas with a sharp and pungent odor. Nitrogen oxides are harmful to the environment and can cause respiratory problems in humans and animals. Other synonyms for nitrogen oxide include nitrogen tetroxide, nitrogen pentoxide, and dinitrogen oxide. These compounds are typically used in a variety of industrial processes, as well as in the production of fertilizers and rocket fuels.
