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 found that high-density lipoprotein, or HDL, often called "good" cholesterol, can help protect the liver by blocking these harmful substances.

From Science Daily • Mar. 18, 2026

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

From Science Daily • Dec. 5, 2025

For decades, primary physicians and cardiologists have focused on two numbers: LDL or low-density lipoproteins, known as “bad cholesterol,” and HDL or high-density lipoproteins, aka “good cholesterol.”

From Seattle Times • Jan. 8, 2024

But it did find that the use of nonsugar sweeteners was associated with a higher ratio of total cholesterol to HDL, short for high-density lipoprotein, which is considered the "good cholesterol."

From Salon • Jun. 8, 2023

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

From Scientific American • Apr. 26, 2023