: 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

Recent Examples on the Web
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Research shows that drinking green tea regularly may lower total cholesterol, low-density lipoprotein (LDL) cholesterol, and blood triglyceride levels. Carrie Madormo, Verywell Health, 30 May 2026 Almonds support your heart health by lowering low-density lipoprotein (LDL) cholesterol and improving vascular function. Cynthia Sass, Health, 29 May 2026 The pharmaceutical company said an early study of 35 people found VERVE-102 lowered bad LDL or LDL-C (lipoprotein cholesterol) levels by as much as 62% after one infusion. ABC News, 28 May 2026 The subgroup of participants who received the largest dose have seen their bad cholesterol—that is, their low-density lipoprotein or LDL—drop 62 percent, to a mean of 78 mg per deciliter. Beth Mole, ArsTechnica, 28 May 2026 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 9 Jun. 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
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