LDL
noun
: 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
Additionally, replacing saturated fats with olive oil can help lower LDL cholesterol and raise HDL cholesterol, according to Bobrick.
—
Kirsten Nunez, Martha Stewart, 10 Jan. 2026
Flaxseeds can help lower LDL cholesterol and reduce inflammation.
—Morgan Pearson, Verywell Health, 9 Jan. 2026
This gel has a consistency similar to pudding and may help lower LDL cholesterol by reducing its absorption in the digestive tract.
—Caitlin Beale, Health, 7 Jan. 2026
In some studies, in fact, they've been shown to be better predictors of cardiovascular disease than LDL cholesterol.
—New Atlas, 18 Dec. 2025
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Cite this Entry
“LDL.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/LDL. Accessed 20 Jan. 2026.
Medical Definition
LDL
noun
: 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, vldlLove words? Need even more definitions?
Merriam-Webster unabridged
