Meaning of methyl in English:


Pronunciation /ˈmiːθʌɪl/ /ˈmɛθʌɪl/ /ˈmiːθəl/ /ˈmɛθəl/


as modifier
  • Of or denoting the alkyl radical —CH₃, derived from methane and present in many organic compounds.

    ‘methyl bromide’
    • ‘For example, the derived alkyl group from methane is the methyl group.’
    • ‘Currently, the largest volume organic bromine product is methyl bromide, a fumigant.’
    • ‘The boat was carrying 6000 metric tons of styrene, isopropyl and methyl ethyl ketone.’
    • ‘But methyl bromide and methyl chloride, unlike the CFCs in halides have both human and natural sources.’
    • ‘Another preparation method involves acid hydrolysis of methyl formate.’


Mid 19th century from German Methyl or French méthyle, back-formations from German Methylen and French méthylène (see methylene).