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单词 prototoxin
释义

Definition of prototoxin in English:

prototoxin

noun ˈprəʊtə(ʊ)ˌtɒksɪn
Medicine

  • An inactive (non-toxic) precursor of a toxin, especially of the epsilon toxin of the pathogenic bacterium Clostridium perfringens.

Origin

Early 20th century (in an earlier sense). From proto- + toxin.

Definition of prototoxin in US English:

prototoxin

nounˈprəʊtə(ʊ)ˌtɒksɪn
Medicine

  • An inactive (non-toxic) precursor of a toxin, especially of the epsilon toxin of the pathogenic bacterium Clostridium perfringens.

Origin

Early 20th century (in an earlier sense). From proto- + toxin.
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更新时间：2025/6/19 4:17:00