methylation

methylation

See also: méthylation

English

Etymology

Etymology tree
Proto-Indo-European *médʰu
Proto-Hellenic *métʰu
Ancient Greek μέθυ (méthu)
Proto-Indo-European *swel-der.?
Ancient Greek ῡ̔́λη (hū́lē)der.
German -yl
German Methylbor.
English methyl
Proto-Indo-European *-tis
Proto-Indo-European *-Hō
Proto-Indo-European *-tiHō
Proto-Italic *-tiō
Latin -tiō
Latin -ātiōlbor.
Old French -ationbor.
Middle English -acioun
English -ation
English methylation

    From methyl + -ation.

    Pronunciation

    • IPA(key): /ˌmɛθɪˈleɪʃən/
    • Audio (US):(file)
    • Rhymes: -eɪʃən

    Noun

    methylation (countable and uncountable, plural methylations)

    1. (chemistry) The addition of a methyl group to a molecule.
    2. (genetics) The addition of a methyl group to cytosine and adenine residues in DNA that leads to the epigenetic modification of DNA and the reduction of gene expression and protein production.

    Derived terms

    Translations

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