Standard Lemma guide

demethylate

verb · 1 senses · updated from the 2026-07-25 local source snapshot

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

Pronunciation

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  • UK: /diːˈmɛθəleɪt/

1

verb

Meaning 1

To remove one or more methyl groups from a molecule, especially from a biologically active molecule

Definition source: English Wiktionary via Wiktextract

Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *de Proto-Indo-European *-h1 Proto-Indo-European *déh1 Proto-Italic *dē Latin dē Latin dē-der. English de- English methylate English demethylate From de- + methylate.

Across languages

Translations

2 source translations are retained for this English entry.

  • Catalan: desmetilar — to remove methyl groups
  • Russian: деметилировать (demetilirovatʹ) — to remove methyl groups