Histone deacetylase inhibitor

Definition of histone deacetylase inhibitor
National Cancer Institute

histone deacetylase inhibitor

(HIS-tone dee-uh-SEH-tih-lays in-HIH-bih-ter)
A substance that causes a chemical change that stops tumor cells from dividing. Histone deacetylase inhibitors are being studied in the treatment of cancer. Also called HDAC inhibitor.

Source: NCI Dictionary of Cancer Terms