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

Results showed no meaningful differences between the two types of fats in blood cholesterol or triglyceride levels, including the ratio of total to HDL cholesterol, a key measure of cardiovascular risk.

From Science Daily • Oct. 28, 2025

They lowered total cholesterol and increased HDL cholesterol significantly.

From Seattle Times • Jan. 3, 2024

"While we know HDL cholesterol is important for cardiovascular health, this study suggests that we need further research to understand the role of very high HDL cholesterol in the context of brain health," she said.

From Science Daily • Nov. 29, 2023

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