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微生物 (biseibutsu) Life Science Dictionary (Shuji Kaneko) | |||
徹生物 (びせいぶつ) | |||
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雑菌 news2 nf33 | |||
English thesaurus | |||
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An organism that can be seen only through a microscope. Microorganisms include bacteria, protozoans, and fungi. Although viruses are not considered living organisms, they are sometimes classified as microorganisms. |