LDL

American  

Biochemistry.

1. low-density lipoprotein.

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LDL British  

abbreviation

1. low-density lipoprotein

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LDL Scientific  

1. Abbreviation of low-density lipoprotein

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LDL Cultural  

1. Abbreviation for l ow-d ensity l ipoprotein. A type of cholesterol that is linked to heart disease and atherosclerosis. (Compare HDL.)

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LDLs are often referred to as “bad” cholesterol.

Example Sentences

If someone has a score under 100, that person has a mild amount of plaque and the goal should be to have a LDL level under 100 milligrams per deciliter.

From The Wall Street Journal • Mar. 30, 2026

The more calcium you have, the lower your LDL should be.

From The Wall Street Journal • Mar. 30, 2026

Enlicitide targets the same PCSK9 pathway as those injectable drugs, attaching to the protein in the bloodstream to help the body remove LDL cholesterol more efficiently.

From Science Daily • Mar. 21, 2026

For decades, scientists have understood that LDL cholesterol plays a central role in cardiovascular disease.

From Science Daily • Mar. 21, 2026

The data point to increasing benefits with lower and lower LDL levels, said Dr. Daniel J. Rader.

From "The Sense of Style" by Steven Pinker