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exotoxin

[ek-soh-tok-sin]
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noun Biochemistry.
  1. a soluble toxin excreted by a microorganism.
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Compare endotoxin.

Origin of exotoxin

First recorded in 1915–20; exo- + toxin
Related formsex·o·tox·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for exotoxin

exotoxin

noun
  1. a toxin produced by a microorganism and secreted into the surrounding medium
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Derived Formsexotoxic, adjective
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

exotoxin in Medicine

exotoxin

(ĕk′sō-tŏksĭn)
n.
  1. A toxin secreted by a microorganism and released into the environment in which it grows.extracellular toxin
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.