HDL
noun
ˌāch-(ˌ)dē-ˈel 
: a lipoprotein of blood plasma that is composed of a high proportion of protein with little triglyceride and cholesterol and that is correlated with reduced risk of atherosclerosis : good cholesterol compare ldl
Word History
Etymology
high-density lipoprotein
First Known Use
1954, in the meaning defined above
Medical Definition
HDL
noun
ˈāch-ˈdē-ˈel
: 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