Exotoxin
ahd-5
noun.
A poisonous substance secreted by a microorganism and released into the medium in which it grows.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
Any
toxin
secreted by a
microorganism
into the surrounding environment.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a toxin that is secreted by microorganisms into the surrounding medium
Etymologically Related
endotoxin
exotoxic
Hypernym
Words that are more generic or abstract
toxin