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Definition of toxin noun from the Oxford Advanced Learner's Dictionary

toxin

noun
 
/ˈtɒksɪn/
 
/ˈtɑːksɪn/
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  1. a poisonous substance, especially one that is produced by bacteria in plants and animals
    • The algae kills off plant and animal life and, in some cases, produces dangerous toxins.
    Word Originlate 19th cent.: from toxic + -in.
See toxin in the Oxford Advanced American DictionarySee toxin in the Oxford Learner's Dictionary of Academic English
brink
noun
 
 
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