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]

The Collaborative International Dictionary of English. 2000.

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  • Nitrous — is an often used abbreviation for the chemical compound nitrous oxide (N2O) also referred to as NOS. The term NOS is derived from the abbreviation of the company name Nitrous Oxide Systems (NOS), one of the pioneering companies in the development …   Wikipedia

  • nitrous — (adj.) c.1600, from L. nitrosus, from nitrum (see NITRE (Cf. nitre)). Originally of nitre, pertaining to nitre; more precise use in chemistry (designating a compound in which the nitrogen has a lower valence than the corresponding nitric… …   Etymology dictionary

  • nitrous — ► ADJECTIVE ▪ of or containing nitrogen …   English terms dictionary

  • nitrous — [nī′trəs] adj. [L nitrosus: see NITROSO ] 1. of, like, or containing niter 2. designating or of compounds in which nitrogen has a lower valence than in the corresponding nitric compounds …   English World dictionary

  • nitrous — 1. adjective a) of, relating to, or derived from nitrogen, especially in which the valence of the nitrogen is lower than that of a corresponding nitric species b) of, or relating to nitrous acid or its derivatives 2. noun Nitrous oxid …   Wiktionary

  • nitrous — [[t]na͟ɪtrəs[/t]] ADJ: ADJ n Nitrous means coming from, relating to, or containing nitrogen. Another group of gases like carbon monoxide are nitrous oxides …   English dictionary

  • nitrous — adj. of, like, or impregnated with nitrogen, esp. in the tervalent state. Phrases and idioms: nitrous acid a weak acid existing only in solution and in the gas phase. Usage: Chem. formula: HNO2 nitrous oxide a colourless gas used as an… …   Useful english dictionary

  • nitrous — [ nʌɪtrəs] adjective of or containing nitrogen. Origin C17: from L. nitrosus nitrous …   English new terms dictionary

  • nitrous — adjective Etymology: New Latin nitrosus, from Latin, full of natron, from nitrum natron more at niter Date: 1601 archaic of, relating to, or containing niter …   New Collegiate Dictionary

  • nitrous — /nuy treuhs/, adj. Chem. 1. pertaining to compounds obtained from niter, usually containing less oxygen than the corresponding nitric compounds. 2. containing nitrogen, usually in the trivalent state. [1595 1605; < L nitrosus full of natron. See… …   Universalium

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