[meth-eyn; British mee-theyn] /ˈmɛθ eɪn; British ˈmi θeɪn/
a colorless, odorless, flammable gas, CH 4 , 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 hydrocarbons.
a colourless odourless flammable gas, the simplest alkane and the main constituent of natural gas: used as a fuel. Formula: CH4 See also marsh gas, firedamp
“inflammable colorless and odorless gas, marsh gas,” 1867, coined from methyl + chemical suffix -ane.
methane meth·ane (měth’ān’)
An odorless, colorless, flammable gas that is the major constituent of natural gas and is used as a fuel and as an important source of hydrogen. Also called marsh gas.
A colorless, odorless, flammable gas that is the simplest hydrocarbon. It is the major constituent of natural gas and is released during the decomposition of plant or other organic compounds, as in marshes and coal mines. Methane is the first member of the alkane series. Chemical formula: CH4.
noun, Chemistry. 1. . noun 1. another name for the alkane series See alkane methane series The alkane series. See under alkane.
- Methanesulfonic acid
methanesulfonic acid meth·ane·sul·fon·ic acid (měth’ān-sŭl-fŏn’ĭk) n. A liquid soluble in water, alcohol, and ether used as a reaction catalyst.
[me-than-uh-juh n, -jen] /mɛˈθæn ə dʒən, -ˌdʒɛn/ noun 1. any of a diverse group of widely distributed archaebacteria that occur in anaerobic environments, as the intestinal tracts of animals, freshwater and marine sediments, and sewage, and are capable of producing methane from a limited number of substrates, including carbon dioxide and hydrogen, acetate, and methylamines: […]
- Methanoic acid
/ˈmɛθəˌnəʊɪk/ noun 1. the systematic name for formic acid