Definition of methane in English:

methane

Pronunciation: /ˈmɛθeɪn//ˈmiːθeɪn/

noun

Chemistry
  • [mass noun] A colourless, odourless flammable gas which is the main constituent of natural gas. It is the simplest member of the alkane series of hydrocarbons.

    • ‘Will it in the meantime be made from hydrocarbons like methane and natural gas?’
    • ‘Food waste is turned into hydrogen, methane and carbon monoxide by the heat of the exhaust.’
    • ‘Natural gas is mostly methane with small quantities of ethane and other gases mixed in.’
    • ‘Other trace gases include methane, nitrous oxide, carbon monoxide, sulphur dioxide, and ozone.’
    • ‘For example, the alcohol derivative of methane is methanol and of ethane is ethanol.’

Origin

Mid 19th century: from methyl + -ane.

Pronunciation:

methane

/ˈmɛθeɪn//ˈmiːθeɪn/