toxinPronunciation: /ˈtɒksɪn/Translate toxin | into French | into German | into Italian | into Spanish Definition of toxin noun a poison of plant or animal origin, especially one produced by or derived from microorganisms and acting as an antigen in the body. Origin: late 19th century: from toxic + -in1toxin in other Oxford dictionaries Definition of toxin in the US English dictionary
