Ozone

Ozone
  A molecule made up of three atoms of oxygen. Occurs naturally in the stratosphere and provides a protective layer shielding the Earth from harmful ultraviolet radiation. In the troposphere, it is a chemical oxidant, a greenhouse gas, and a major component of photochemical smog.
  U.S. Dept. of Energy, Energy Information Administration's Energy Glossary
  ***
  A kind of oxygen that has three atoms per molecule instead of the usual two. Ozone is a poisonous gas, but the ozone layer in the upper atmosphere shields life on earth from deadly ultraviolet radiation from space. The molecule contains three oxygen atoms (O3).
  California Energy Comission. Dictionary of Energy Terms

Energy terms . 2014.

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  • ozone — ozone …   Dictionnaire des rimes

  • ozone — [ ozon; ɔzɔn ] n. m. • 1840; du p. prés. du gr. ozein « exhaler une odeur » ♦ Chim. Gaz bleu, odorant, dangereux à respirer, dont la molécule se compose de trois atomes d oxygène (O3). Propriétés antiseptiques et bactéricides de l ozone. Ozone… …   Encyclopédie Universelle

  • ozone — o zone ([=o] z[=o]n or [ o]*z[=o]n ), n. [Gr. o zwn smelling, p. pr. of o zein to smell. See {Odor}.] (Chem.) A colorless gaseous substance ({O3}) obtained (as by the silent discharge of electricity in oxygen) as an allotropic form of oxygen,… …   The Collaborative International Dictionary of English

  • ozoné — ozoné, ée (o zo né, née) adj. Voy. ozonisé …   Dictionnaire de la Langue Française d'Émile Littré

  • ozone — (n.) 1840, from Ger. Ozon, coined in 1840 by German chemist Christian Friedrich Schönbein (1799 1868) from Gk. ozon, neuter prp. of ozein to smell (see ODOR (Cf. odor)). So called for its pungent odor …   Etymology dictionary

  • ozone — s. m. [Química] O mesmo que ozono …   Dicionário da Língua Portuguesa

  • ozone — *air, atmosphere, ether …   New Dictionary of Synonyms

  • ozone — ► NOUN 1) a pungent, toxic form of oxygen with three atoms in its molecule, formed in electrical discharges or by ultraviolet light. 2) informal fresh invigorating air. ORIGIN German Ozon, from Greek ozein to smell …   English terms dictionary

  • ozone — [ō′zōn΄] n. [Fr < Gr ozein, to smell < IE base * od > L odor] 1. an unstable, pale blue gas, O3, with a penetrating odor: it is an allotropic form of oxygen, formed usually by a silent electrical discharge in air, and is used as an… …   English World dictionary

  • Ozone — For other uses, see Ozone (disambiguation). Ozone …   Wikipedia

  • Ozone —  Pour l’article homophone, voir O Zone. Ozone …   Wikipédia en Français

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