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

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HDL

Our metabolism increases, lowering fat and sugar levels in our blood and raising levels of HDL cholesterol—the so-called healthy cholesterol.

From Barron's ● Jun. 27, 2026

The co-primary endpoint was LDL and HDL cholesterol at four months.

From Science Daily ● Mar. 28, 2024

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

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