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Grade 7
(mi-cro-or-gan-ism) 5 syllables

Definition

noun. a tiny living thing that can only be seen with a microscope.

Example Sentence

We studied the microorganism under the microscope.

More Example Sentences

Some microorganisms can cause diseases.

Synonyms

germ; bacterium; microbe

Antonyms

elephant

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microorganism
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Rhymes

  • organism

  • microorganism
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