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lipoprotein

American

[lip-uh-proh-teen, -tee-in, lahy-puh-] / ˌlɪp əˈproʊ tin, -ti ɪn, ˌlaɪ pə- /

noun

Biochemistry.

any of the class of proteins that contain a lipid combined with a simple protein.

lipoprotein British

/ ˌlɪpəʊˈprəʊtiːn, ˌlaɪ- /

noun

any of a group of proteins to which a lipid molecule is attached, important in the transport of lipids in the bloodstream. They exist in two main forms: high-density lipoproteins and low-density lipoproteins See also low-density lipoprotein

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

lipoprotein Scientific

/ lĭp′ō-prō′tēn′,lī′pō- /

Any of a group of conjugated proteins in which at least one of the components is a lipid. Lipoproteins, classified according to their densities and chemical qualities, are the principal means by which lipids are transported in the blood.
See also high-density lipoprotein low-density lipoprotein

Etymology

Origin of lipoprotein

First recorded in 1905–10; lipo- ¹ + protein

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

lipoprotein

The drug was approved to treat lipoprotein lipase deficiency, a rare genetic disorder that prevents the body from properly breaking down fat particles in the blood.

From Barron's ● Jun. 17, 2026

These guidelines also included, for the first time, recommended levels of LDL—known as low-density lipoprotein or “bad” cholesterol—based on calcium scores from the scans.

From The Wall Street Journal ● Mar. 30, 2026

Low-density lipoprotein, or LDL, is what we call “bad” cholesterol, and it remains the central focus of cholesterol management.

From MarketWatch ● Mar. 19, 2026

Some studies have suggested that dark chocolate might be useful in adjusting ratios of high-density lipoprotein cholesterol, which can help protect the heart.

From Salon ● Mar. 28, 2024

This inhibited the expression of a group of target genes involved in fatty acid synthesis, polyunsaturated fatty acid synthesis and uptake, and lipoprotein secretion, which improved fatty liver pathophysiology, as observed in wild-type mice.

From Science Daily ● Jan. 13, 2024

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023