nitrous Syllabification: (ni·trous)Pronunciation: /ˈnītrəs/Definition of nitrous adjective 1 Chemistry of or containing nitrogen with a lower valence, often three. Compare with nitric. 2of nitrogen; nitrogenous:the effect of nitrous emissions on acid rainOrigin: early 17th century: from Latin nitrosus 'nitrous'nitrous in other Oxford dictionaries Definition of nitrous in the British & World English dictionary
