Nitrous oxide

Nitrous oxide
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 oxide — ► NOUN ▪ a colourless gas with a sweetish odour, used as an anaesthetic …   English terms dictionary

  • nitrous oxide — n. a colorless, nonflammable gas, N2O, used as an anesthetic and in aerosols …   English World dictionary

  • Nitrous oxide — N2O redirects here. For other uses, see N2O (disambiguation). Laughing gas redirects here. For other uses, see Laughing gas (disambiguation). Not to be confused with nitric oxide (formula NO) or nitrogen dioxide (formula NO2). For other uses, see …   Wikipedia

  • nitrous oxide — Chem., Pharm. a colorless, sweet smelling, sweet tasting, nonflammable, slightly water soluble gas, N2O, that sometimes produces a feeling of exhilaration when inhaled: used chiefly as an anesthetic in dentistry and surgery, in the manufacture of …   Universalium

  • nitrous oxide — N2O; a nonflammable, nonexplosive gas that will support combustion; widely used as a rapidly acting, rapidly reversible, nondepressant, and nontoxic inhalation analgesic to supplement other anesthetics and analgesics; its anesthetic potency alone …   Medical dictionary

  • nitrous oxide — a colourless gas used as an anaesthetic with good analgesic properties. It is administered by inhalation, in conjunction with oxygen and other agents, for the maintenance of anaesthesia. A mixture of oxygen and nitrous oxide (Entonox, Equanox)… …   The new mediacal dictionary

  • Nitrous oxide — (N2O)   A colorless gas, naturally occurring in the atmosphere. Nitrous oxide has a 100 year Global Warming Potential of 310.   U.S. Dept. of Energy, Energy Information Administration s Energy Glossary …   Energy terms

  • nitrous oxide — noun A non flammable gas (NO) commonly used in surgery and dentistry for its anaesthetic and analgesic effects. Syn: dinitrogen oxide, dinitrogen monoxide, laughing gas, E942, propellant …   Wiktionary

  • nitrous oxide — /naɪtrəs ˈɒksaɪd/ (say nuytruhs oksuyd) noun a gas, N2O, an oxide of nitrogen, used as an anaesthetic; laughing gas; a greenhouse gas …   Australian English dictionary

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