Definition of toxin in English:


Line breaks: toxin
Pronunciation: /ˈtɒksɪn


  • A poison of plant or animal origin, especially one produced by or derived from microorganisms and acting as an antigen in the body.
    More example sentences
    • Some types of bacteria release poisons called toxins while they are multiplying in food.
    • For carcinogens and most reproductive toxins, however, regulators assume no threshold.
    • I thought it might have just exploded and poisoned my poor body with it's toxins.


late 19th century: from toxic + -in1.

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