1. having undergone removal of a methyl group or groups from a molecule
Usage: technical; chemistry and biology

1. past tense and past participle of demethylate; to remove a methyl group from a molecule
Usage: technical; chemistry and biology

Examples

• The demethylated DNA showed increased gene expression in the treated cells.
• Researchers demethylated the compound to study its chemical properties.
• The demethylated form of the protein was more reactive than the original.
• Scientists demethylated the sample using enzymatic treatment.
• Demethylated histones are associated with active transcription in the genome.