acetylene

acetylene
acet·y·lene ə-'set-əl-ən, -əl-.ēn n a colorless gaseous hydrocarbon HC=CH made esp. by the action of water on calcium carbide and used chiefly in organic synthesis and as a fuel (as in welding and soldering) called also ethyne
acet·y·le·nic ə-.set-əl-'ē-nik, -'en-ik adj

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acet·y·lene (ə-setґə-lēn) a colorless, volatile, explosive gas; it is the simplest of a class of unsaturated (triple-bonded) hydrocarbons, the alkynes.

Medical dictionary. 2011.

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  • ACÉTYLÈNE — L’acétylène, de formule brute C2H2, est le premier terme des alcynes ou hydrocarbures acétyléniques de formule générale Cn H2n 2. Ces derniers sont caractérisés par la présence d’une triple liaison (face=F0019 漣 C 令 C 漣) dans leur molécule.… …   Encyclopédie Universelle

  • Acetylene — Acétylène Acétylène Structure tridimensionnelle de l acétylène Général Nom IUPAC éthyne …   Wikipédia en Français

  • Acétylène — Structure tridimensionnelle de l acétylène Général Nom IUPAC éthyne …   Wikipédia en Français

  • acetylene — (n.) gaseous hydrocarbon, 1864, from Fr. acétylène, coined by French chemist Marcelin Pierre Eugène Berthelot (1823 1907) from chemical ending ENE (Cf. ene) + acetyl, which was coined from acetic in 1839 by German chemist Justus von Liebig; see… …   Etymology dictionary

  • Acetylene — A*cet y*lene, n. (Chem.) A gaseous compound of carbon and hydrogen, in the proportion of two atoms of the former to two of the latter. It is a colorless gas, with a peculiar, unpleasant odor, and is produced for use as an illuminating gas in a… …   The Collaborative International Dictionary of English

  • Acetylēne — (Alkine), Kohlenwasserstoffe von der Formel CnH2n 2 mit dreifacher Bindung CH ≡ CH. vereinigen sich mit Wasserstoff im Entstehungsmoment zu Olefinen, die alsdann in Paraffine übergehen können. Sie werden durch konzentrierte Schwefelsäure… …   Meyers Großes Konversations-Lexikon

  • Acetylene —   Plural, frühere Bezeichnung für die Alkine …   Universal-Lexikon

  • acetylene — ► NOUN ▪ a gas which burns with a bright flame, used in welding. ORIGIN from ACETIC ACID(Cf. ↑acetic acid) …   English terms dictionary

  • acetylene — [ə set′ l ēn΄] n. [ ACETYL + ENE] a colorless, poisonous, highly flammable gaseous hydrocarbon, HC⋮CH, produced by the reaction of water and calcium carbide: used in organic compound synthesis, for lighting, and with oxygen in welding: the… …   English World dictionary

  • Acetylene — HCCH redirects here. For other uses, see HCCH (disambiguation). Acetylene …   Wikipedia

  • acetylene — acetylenic /euh set l en ik/, adj. /euh set l een , in/, n. Chem. a colorless gas, C2H2, having an etherlike odor, produced usually by the action of water on calcium carbide or by pyrolysis of natural gas: used esp. in metal cutting and welding,… …   Universalium

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