Pronunciation Noun
methane
- (organic compound, uncountable) The simplest aliphatic hydrocarbon, CH₄, being a constituent of natural gas, and one of the most abundant greenhouse gases.
- Synonyms: methyl hydride, carbon tetrahydride
- Hypernyms: greenhouse gas
- Cattle emit a large amount of methane.
- (organic chemistry, countable) Any of very many derivatives of methane.
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