exotoxin

American

[ek-soh-tok-sin] / ˌɛk soʊˈtɒk sɪn /

noun

Biochemistry.

a soluble toxin excreted by a microorganism.

exotoxin British

/ ˌɛksəʊˈtɒksɪn /

noun

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

"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

exotoxic

adjective

Etymology

Origin of exotoxin

First recorded in 1915–20; exo- + toxin

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

endotoxin vs. exotoxin

Vocabulary lists containing exotoxin

Microbiology - High School

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023