high density lipoprotein
- (written as high-density lipoprotein)A specific complex of fat and protein that transports cholesterol in the blood. high levels appear to protect against heart and vascular disease.
- noun (written as high-density lipoprotein)a lipoprotein with a low percentage of cholesterol.
- noun an aggregate of fat and protein that transports cholesterol away from the arteries, high levels of which are associated with a decreased risk of heart disease.