HDL

American  

1. high-density lipoprotein.

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HDL British  

abbreviation

1. high-density lipoprotein

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HDL Scientific  

1. Abbreviation of high-density lipoprotein

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HDL Cultural  

1. An abbreviation for h igh-d ensity l ipoprotein, molecules that remove cholesterol from the bloodstream and carry it to the liver.

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HDLs are often called “good” cholesterol.

Example Sentences

They also tended to have higher HDL cholesterol, also known as 'good' cholesterol.

From Science Daily • Dec. 5, 2025

To capture overall risk, researchers created a composite cardiometabolic score based on multiple components of metabolic syndrome, including waist size, blood pressure, high-density lipoprotein or HDL "good" cholesterol, triglycerides and blood sugar levels.

From Science Daily • Nov. 1, 2025

Higher levels of HDL cholesterol are linked to a reduced risk of heart disease and stroke.

From Salon • Oct. 3, 2023

Very high HDL cholesterol levels almost double your risk of heart problems.

From Scientific American • Apr. 26, 2023

Research has found that consuming too much dietary sugar can lower levels of HDL cholesterol and increase levels of LDL cholesterol and triglycerides.

From Seattle Times • Mar. 20, 2023