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microorganism

mi·cro·or·gan·ism

microorganism

 
pronunciation:
maI kro or g nih zm
features:
Word Combinations (noun), Word Explorer, Word Parts
part of speech: noun
definition: any microscopic life form such as a bacterium, protozoan, or virus.
similar words:
germ, microbe
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  bacteria, ecosystem, ocean, virus
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