Dictionary.com
Thesaurus.com

endotoxin

American  
[en-doh-tok-sin] / ˌɛn doʊˈtɒk sɪn /

noun

Biochemistry.
  1. the toxic protoplasm liberated when a microorganism dies and disintegrates, as in Eberthella typhi, the causative agent of typhoid fever.


endotoxin British  
/ ˌɛndəʊˈtɒksɪn /

noun

  1. a toxin contained within the protoplasm of an organism, esp a bacterium, and liberated only at death

"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

Other Word Forms

  • endotoxic adjective

Etymology

Origin of endotoxin

First recorded in 1900–05; endo- + toxin

Compare meaning

How does endotoxin compare to similar and commonly confused words? Explore the most common comparisons:

Vocabulary lists containing endotoxin

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.

These substances, particularly endotoxin, can trigger gut inflammation and increase the leakiness of the gut wall, resulting in damage to other organs such as the liver, kidneys and brain.

From Science Daily • Apr. 15, 2024

After the pharmacist first testified the drugs are tested for endotoxins, the investigation found he later said he didn’t know endotoxin testing was required, Henry wrote.

From Seattle Times • Jan. 25, 2023

The European Pharmacopeia approved rFC for endotoxin testing last year.

From Washington Post • Jul. 30, 2021

Lonza said its rFC product, PyroGene, now accounts for less than 5 percent of its endotoxin test sales but sees fortunes changing as global pharmacopoeias act.

From Reuters • Aug. 1, 2019

There is nothing intrinsically poisonous about endotoxin, but it must look awful, or feel awful, when sensed by cells.

From "The Lives of a Cell" by Lewis Thomas