Meaning of METHANE in English

[meth.ane] n [ISV] (ca. 1868): a colorless odorless flammable gaseous hydrocarbon that is a product of decomposition of organic matter and of the carbonization of coal, is used as a fuel and as a starting material in chemical synthesis, and is the simplest of the alkanes

Merriam-Webster English vocab.      Английский словарь Merriam Webster.