lipoprotein

American  

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

noun

Biochemistry.

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

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lipoprotein British  

/ ˌlɪpəʊˈprəʊtiːn, ˌlaɪ- /

noun

1. 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

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lipoprotein Scientific  

/ lĭp′ō-prō′tēn′,lī′pō- /

1. 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.

2. See also high-density lipoprotein low-density lipoprotein

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Etymology

Origin of lipoprotein

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

Example Sentences

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

The title of the paper is "Microplastic exposure elicits sex-specific atherosclerosis development in lean low-density lipoprotein receptor-deficient mice."

From Science Daily • Nov. 18, 2025

Testing for apoB, a protein on the outside of LDL-carrying particles, counts the number of these lipoprotein particles in the blood.

From Seattle Times • Jan. 8, 2024

A plant-based diet may contribute to lower levels of low-density lipoprotein cholesterol, sometimes referred to as “bad” cholesterol.

From Salon • Jan. 4, 2024