What does low-density lipoprotein mean?
• LOW-DENSITY LIPOPROTEIN (noun) The noun LOW-DENSITY LIPOPROTEIN has 1 sense: 1. a lipoprotein that transports cholesterol in the blood; composed of moderate amount of protein and a large amount of cholesterol; high levels are thought to be associated with increased risk of coronary heart disease and atherosclerosis Familiarity information: LOW-DENSITY LIPOPROTEIN used as a noun is very rare.