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microorganism |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Microorganism \Mi`cro*["o]r"gan*ism\, n. [Micro- + organism.] (Biol.) Any microscopic form of life; -- particularly applied to bacteria and similar organisms, esp. such are supposed to cause infectious diseases. From WordNet r 1.6 [wn]: microorganism n : any organism (animal or plant) of microscopic size
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