HDL

HDL

noun \ˈāch-ˈdē-ˈel\

Definition of HDL

: a lipoprotein of blood plasma that is composed of a high proportion of protein with little triglyceride and cholesterol and that is associated with decreased probability of developing atherosclerosis—called also alpha-lipoprotein, good cholesterol, high-density lipoprotein; compare ldl, vldl