ozone

ozone
a) An allotrope of oxygen (symbol O) having three atoms in the molecule instead of the usual two; it is a blue gas, generated from oxygen by electrical discharge; it is poisonous and highly reactive, but in the upper atmosphere it protects life on Earth from ultraviolet radiation.
b) (informally but erroneously) Fresh air, especially that breathed at the seaside and smelling of seaweed.

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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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