1. nitrous - Noun
2. nitrous - Adjective
Of, pertaining to, or containing, niter; of the quality of niter, or resembling it.
Of, pertaining to, or designating, any one of those compounds in which nitrogen has a relatively lower valence as contrasted with nitric compounds.
Source: Webster's dictionaryMany people, meeting Aziraphale for the first time, formed three impressions: that he was English, that he was intelligent, and that he was gayer than a treeful of monkeys on nitrous oxide. Terry Pratchett
nitric acid Source: Internet
Although carbon dioxide is the greenhouse gas primarily responsible for the rise, methane, nitrous oxide, ozone, and various other long-lived greenhouse gases also contribute. Source: Internet
Africa and Asia The canister on the left is whipped cream, a product which is pressurized with nitrous oxide. Source: Internet
A gas used as a propellant in whipped cream aerosol containers, nitrous oxide, is used as a recreational drug. Source: Internet
Air pollution data for Tashkent, Farghona, and Olmaliq show all three cities exceeding recommended levels of nitrous dioxide and particulates. Source: Internet