Dictionary.com

exotoxin

[ ek-soh-tok-sin ]
/ ˌɛk soʊˈtɒk sɪn /
Save This Word!

noun Biochemistry.
a soluble toxin excreted by a microorganism.

COMPARE COMMONLY CONFUSED WORDS

These are smilar words, and share related meanings, but their uses are very different. Click on the buttons to learn more about these commonly confused words.
QUIZ
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Meet Grammar CoachWrite or paste your essay, email, or story into Grammar Coach and get grammar helpImprove Your Writing
Meet Grammar CoachImprove Your Writing
Write or paste your essay, email, or story into Grammar Coach and get grammar help
Compare endotoxin.

Origin of exotoxin

First recorded in 1915–20; exo- + toxin

OTHER WORDS FROM exotoxin

ex·o·tox·ic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for exotoxin

exotoxin
/ (ˌɛksəʊˈtɒksɪn) /

noun
a toxin produced by a microorganism and secreted into the surrounding medium

Derived forms of exotoxin

exotoxic, 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

Medical definitions for exotoxin

exotoxin
[ ĕk′sō-tŏksĭn ]

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