meth·ane (m th  n )n. An odorless, colorless, flammable gas, CH4, the major constituent of natural gas, that is used as a fuel and is an important source of hydrogen and a wide variety of organic compounds. |
methane [ˈmiːθeɪn]
n
| methane (mthn) 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. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  methane - a colorless odorless gas used as a fuelgas - a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely marsh gas - methane gas produced when vegetation decomposes in water alkane, alkane series, methane series, paraffin series, paraffin - a series of non-aromatic saturated hydrocarbons with the general formula CnH(2n+2) natural gas, gas - a fossil fuel in the gaseous state; used for cooking and heating homes |
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