: a lipoprotein of blood plasma that is composed of a moderate proportion of protein with little triglyceride and a high proportion of cholesterol and that is associated with increased probability of developing atherosclerosis : bad cholesterol compare hdl

Examples of LDL in a Sentence

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Almonds are rich in magnesium and potassium, which help regulate blood pressure, and monounsaturated fats, which can reduce LDL cholesterol. Lana Barhum, Verywell Health, 23 Dec. 2025 In some studies, in fact, they've been shown to be better predictors of cardiovascular disease than LDL cholesterol. New Atlas, 18 Dec. 2025 Saturated fats can raise levels of LDL cholesterol in the blood, increasing the risk of heart disease and stroke, per the American Heart Association (AHA). Tom Gavin, EverydayHealth.com, 15 Dec. 2025 Supplementing with vitamin D can lower LDL and total cholesterol, but doesn't affect HDL cholesterol. Emmanuella Ogbonna, Health, 11 Dec. 2025 See All Example Sentences for LDL

Word History

Etymology

low-density lipoprotein

First Known Use

1962, in the meaning defined above

Time Traveler
The first known use of LDL was in 1962

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Cite this Entry

“LDL.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/LDL. Accessed 1 Jan. 2026.

Medical Definition

: a lipoprotein of blood plasma that is composed of a moderate proportion of protein with little triglyceride and a high proportion of cholesterol and that is associated with increased probability of developing atherosclerosis

called also bad cholesterol, beta-lipoprotein, low-density lipoprotein

compare hdl, vldl
Last Updated: - Updated example sentences
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