noun[ U ]medicalspecializeduk/ˌel.diːˈel/us/ˈelˌdiːˈel/
低密度脂蛋白(low-density lipoprotein的缩写)
abbreviation for low-density lipoprotein: a protein in the blood that carries cholesterol (= a substance found in blood that may cause heart disease if there is too much of it)