MedicalTerminology DB
General Medical Terms

acetylation

Meaning of acetylation: A chemical reaction in which a small molecule called an acetyl group is added to other molecules.

Definition of acetylation

A chemical reaction in which a small molecule called an acetyl group is added to other molecules. Acetylation of proteins may affect how they act in the body.

Written and maintained by James Murray Last updated July 21, 2026 Educational reference, not medical advice. Read the limitations.

For learning, not diagnosis. This glossary provides general educational information and is not a substitute for advice from a qualified healthcare professional. If you may be experiencing a medical emergency, contact local emergency services.