English dictionary
toxin
/'t/A/ks/I/n/
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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a poisonous substance produced during the metabolism and growth of certain microorganisms and some higher plant and animal species
Source: WordNet 3.0
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A poisonous product formed by pathogenic bacteria, as a toxic proteid or poisonous ptomaine.
Source: webster1913