Organic Chemical
methane Audio
meth·ane [ meth-eyn, mee-theyn ]
Subclass of:
Alkanes
Definitions related to methane:
  • Colorless, odorless, inflammable gas, CH4, produced by decomposition of organic matter, which may explode when mixed with air or oxygen; the first member of a homologous series of saturated hydrocarbons, including ethane, propane, and butane.
    CRISP Thesaurus
    National Institutes of Health, 2006
  • The simplest saturated hydrocarbon. It is a colorless, flammable gas, slightly soluble in water. It is one of the chief constituents of natural gas and is formed in the decomposition of organic matter. (Grant & Hackh's Chemical Dictionary, 5th ed)
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
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