exotoxin

noun
exo·tox·in | \ ˌek-sō-ˈtäk-sən \

Definition of exotoxin 

: a soluble poisonous substance produced during growth of a microorganism and released into the surrounding medium

First Known Use of exotoxin

1920, in the meaning defined above

History and Etymology for exotoxin

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The first known use of exotoxin was in 1920

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exotoxin

noun
exo·tox·in | \ ˌek-sō-ˈtäk-sən \

Medical Definition of exotoxin 

: a soluble poisonous substance produced during growth of a microorganism and released into the surrounding medium tetanus exotoxin — compare endotoxin

Other words from exotoxin

exotoxic \-ˈtäk-sik \ adjective

More from Merriam-Webster on exotoxin

Britannica.com: Encyclopedia article about exotoxin

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