statin

stat·in

noun \ˈstat-^ən\

Definition of STATIN

: any of a group of lipid-lowering drugs (as lovastatin and simvastatin) that function by inhibiting a liver enzyme which controls the synthesis of cholesterol and by promoting the production of LDL-binding receptors in the liver resulting in a usually marked decrease in the level of LDL and a modest increase in the level of HDL circulating in blood plasma