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nitrous 音標拼音: [n'ɪtrəs] a. 氮的,含氮的,硝石的 氮的,含氮的,硝石的 nitrous adj 1: of or containing nitrogen; "nitric acid" [synonym: {azotic}, {nitric}, {nitrous}] Nitrous \Ni"trous\, a. [L. nitrosus full of natron: cf. F.
nitreux. See {Niter}.] 1. Of, pertaining to, or containing, niter; of the quality of niter, or resembling it. [1913 Webster] 2. (Chem.) Of, pertaining to, or designating, any one of those compounds in which nitrogen has a relatively lower valence as contrasted with nitric compounds. [1913 Webster] {Nitrous acid} (Chem.), a hypothetical acid of nitrogen {HNO2}, not known in the free state, but forming a well known series of salts, viz., the nitrites. {Nitrous oxide}. See {Laughing gas}. [1913 Webster]
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