Methane

Methane
  A colorless, odorless, tasteless gas composed of one molecule of Carbon and four of hydrogen, which is highly flammable. It is the main constituent of "natural gas" that is formed naturally by methanogenic, anaerobic bacteria or can be manufactured, and which is used as a fuel and for manufacturing chemicals.
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  A colorless, flammable, odorless hydrocarbon gas (CH4) which is the major component of natural gas. It is also an important source of hydrogen in various industrial processes. Methane is a greenhouse gas. See also Greenhouse gases.
  U.S. Dept. of Energy, Energy Information Administration's Energy Glossary
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  A light hydrocarbon that is the main component of natural gas and marsh gas. It is the product of the anaerobic decomposition of organic matter, enteric fermentation in animals and is one of the greenhouse gases. Chemical formula is CH4.
  California Energy Comission. Dictionary of Energy Terms

Energy terms . 2014.

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  • MÉTHANE — Formule brute: CH4 Masse moléculaire: 16,04 g Masse spécifique: 0,716 8 g/l Point d’ébullition: 161,5 0C Point de fusion: 184 0C Le méthane est un hydrocarbure saturé, le plus simple des alcanes. C’est un gaz incolore, d’odeur légèrement alliacée …   Encyclopédie Universelle

  • Methane — Meth ane, n. [See {Methal}.] (Chem.) A light, colorless, gaseous, inflammable hydrocarbon, {CH4}; marsh gas. It is the simplest of the aliphatic hydrocarbons. See {Marsh gas}, under {Gas}. [1913 Webster] {Methane series} (Chem.), a series of… …   The Collaborative International Dictionary of English

  • methane — inflammable colorless and odorless gas, marsh gas, 1867, coined from METHYL (Cf. methyl) + chemical suffix ANE (Cf. ane) …   Etymology dictionary

  • methane — ► NOUN ▪ a colourless, odourless flammable gas which is the main constituent of natural gas. ORIGIN from METHYL(Cf. ↑methyl) …   English terms dictionary

  • methane — [meth′ān΄] n. [ METH(YL) + ANE] a colorless, odorless, flammable, gaseous alkane, CH4, present in natural gas and formed by the decomposition of vegetable matter, as in marshes and mines, or produced artificially by heating carbon monoxide and… …   English World dictionary

  • methane — /meth ayn/; Brit. /mee thayn/, n. Chem. a colorless, odorless, flammable gas, CH4, the main constituent of marsh gas and the firedamp of coal mines, obtained commercially from natural gas: the first member of the methane, or alkane, series of… …   Universalium

  • methane — /ˈmiθeɪn / (say meethayn) noun a colourless, odourless, flammable gas, CH4, the simplest alkane, the main constituent of marsh gas and the firedamp of coal mines, and obtained commercially from natural gas; the first member of the methane or… …  

  • methane — noun /ˈmɛθɛɪn,ˈmiːθeɪn,ˈmɛθeɪn/ a) The simplest aliphatic hydrocarbon, CH, being a constituent of natural gas. Cattle emit a large amount of methane. b) Any of very many derivatives of methane. Syn: methyl hydride, car …   Wiktionary

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