1. to remove a methyl group from a molecule or compound
Usage: technical; chemistry; biochemistry

Examples

• The enzyme demethylates the DNA at specific cytosine residues.
• Researchers demethylate the compound to study its structural properties.
• The process demethylates histone proteins, affecting gene expression.
• Scientists demethylate the substrate to reverse the methylation reaction.
• The drug works by helping cells demethylate abnormal DNA sequences.