单词 | prototoxin |
释义 | prototoxin/ˈprəʊtə(ʊ)ˌtɒksɪn/Medicine noun An inactive (non-toxic) precursor of a toxin, especially of the epsilon toxin of the pathogenic bacterium Clostridium perfringens. OriginEarly 20th century (in an earlier sense). From proto- + toxin. |
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