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LDL

American  
Biochemistry.
  1. low-density lipoprotein.


LDL British  

abbreviation

  1. 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

LDL Scientific  
  1. Abbreviation of low-density lipoprotein


LDL Cultural  
  1. Abbreviation for l ow-d ensity l ipoprotein. A type of cholesterol that is linked to heart disease and atherosclerosis. (Compare HDL.)


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LDLs are often referred to as “bad” cholesterol.

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:

Studies showed that Merck’s once-daily pill reduced bad, or LDL, cholesterol levels by up to 60% over six months in adults with or at risk for atherosclerotic cardiovascular disease.

From The Wall Street Journal Jul. 17, 2026

The approval was based on studies showing that Merck’s once-daily pill reduced bad, or LDL, cholesterol levels by up to 60% over six months in adults with or at risk for atherosclerotic cardiovascular disease.

From The Wall Street Journal Jul. 16, 2026

As the temperature rises, the more compact HDL structures become increasingly dominant over the more open LDL arrangements.

From Science Daily Jul. 8, 2026

The particle is a variant of LDL, the so-called bad cholesterol.

From The Wall Street Journal May 27, 2026

The data point to increasing benefits with lower and lower LDL levels, said Dr. Daniel J. Rader.

From "The Sense of Style" by Steven Pinker

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