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lipopolysaccharide

American  
[lahyp-oh-pol-ee-sak-uh-rahyd, -rid, lahy-poh-] / ˈlaɪp oʊˌpɒl iˈsæk əˌraɪd, -rɪd, ˈlaɪ poʊ- /

noun

Biochemistry.
  1. any of a class of polysaccharides to which lipids are attached.


Etymology

Origin of lipopolysaccharide

First recorded in 1950–55; lipo- 1 + polysaccharide

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.

To simulate inflammation, the researchers exposed murine macrophages to lipopolysaccharide, a bacterial component often used in laboratory experiments.

From Science Daily • Apr. 9, 2026

The drug kicks into gear only in the presence of lipopolysaccharide, a bacterial toxin.

From Los Angeles Times • Jan. 3, 2024

This toxin was later recognized to be lipopolysaccharide, or LPS, a component of the outer membrane of certain types of bacteria.

From Salon • Jan. 1, 2023

Banks, W. A. & Robinson, S. M. Minimal penetration of lipopolysaccharide across the murine blood-brain barrier.

From Nature • Apr. 10, 2018

They display lipopolysaccharide endotoxin in their walls, and these macromolecules are read by our tissues as the very worst of bad news.

From "The Lives of a Cell" by Lewis Thomas

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