Methane

//ˈmiːθeɪn// noun

Definitions

Noun
  1. 1
    The simplest aliphatic hydrocarbon, CH₄, being a constituent of natural gas, and one of the most abundant greenhouse gases. uncountable

    "Cattle emit a large amount of methane."

  2. 2
    a colorless odorless gas used as a fuel wordnet
  3. 3
    Any of very many derivatives of methane. countable

Etymology

From methyl + -ane.

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