high-density lipoprotein

noun
1.
a blood constituent involved in the transport of cholesterol and associated with a decreased risk of atherosclerosis and heart attack.
Abbreviation: HDL .
Compare low-density lipoprotein.
British Dictionary definitions for high-density lipoprotein

high-density lipoprotein

noun
1.
a lipoprotein that is the form in which cholesterol is transported in the bloodstream from the tissues to the liver HDL
high-density lipoprotein in Medicine

high-density lipoprotein n.
Abbr. HDL
A complex of lipids and proteins that functions as a transporter of cholesterol in the blood and which, in high concentrations, is associated with a decreased risk of atherosclerosis and coronary heart disease. Also called alpha-lipoprotein.

high-density lipoprotein in Science
high-density lipoprotein  
A complex of lipids and proteins in approximately equal amounts that functions as a transporter of cholesterol in the blood. High levels are associated with a decreased risk of atherosclerosis and coronary heart disease.