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单词	nitrous
释义	nitrous 1 of 2 noun ni·​trous ˈnī-trəs  informal : nitrous oxide He began huffing nitrous by the case, causing vivid hallucinations. David Peisner nitrous 2 of 2 adjective archaic : of, relating to, or containing niter Example Sentences Recent Examples on the Web Noun How effective nitrous is for alleviating pain is highly variable. Alice Callahan, New York Times, 17 Apr. 2020 The modifications include an engine that makes 570 rear-wheel horsepower, before nitrous, and which has a custom nitrous kit from Induction Solutions. Sebastian Blanco, Car and Driver, 21 Mar. 2020 Actually, nitrous is making a comeback in U.S. maternity circles. Marie Mccullough, Philly.com, 16 May 2018 The Birth Center in Bryn Mawr charges patients $25 to try nitrous, and $250 to use it at will during labor. Marie Mccullough, Philly.com, 16 May 2018 Word History Etymology Adjective New Latin nitrosus, from Latin, full of natron, from nitrum natron — more at niter First Known Use Noun 1977, in the meaning defined above Adjective 1583, in the meaning defined above Phrases Containing nitrous nitrous acid nitrous oxide nitrous acid nitrous oxide Medical Definition nitrous adjective ni·​trous ˈnī-trəs  : of, relating to, or containing nitrogen especially with a lower valence than in corresponding nitric compounds
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