Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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noun
The addition of a methyl group to a molecule.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: chemistry, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
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.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: biology, genetics, medicine, natural-sciences, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
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.
Across languages
18 source translations are retained for this English entry.
