Exotoxin

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any toxin secreted by a microorganism into the surrounding environment.
  2. 2
    a toxin that is secreted by microorganisms into the surrounding medium wordnet

Etymology

From exo- + toxin.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.