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病原 (びょうげん) Life Science Dictionary (Shuji Kaneko) ; 病原性細菌 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
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病原菌 news2 nf29 (byōgenkin); 病源菌; 病原体 news2 nf27 (びょうげんたい); 原因菌 | |||
English thesaurus | |||
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Any disease-causing microorganism, such as a bacterium or virus. |