mTOR inhibitor

Definition of mTOR inhibitor
National Cancer Institute

mTOR inhibitor

(… in-HIH-bih-ter)
A substance that blocks a protein called mTOR, which helps control cell division. Blocking mTOR’s action may keep cancer cells from growing and prevent the growth of new blood vessels that tumors need to grow. Some mTOR inhibitors are used to treat cancer.

Source: NCI Dictionary of Cancer Terms