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(mi-cro-or-gan-isms) 5 syllables

Definition

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

Example Sentence

Microorganisms include bacteria and viruses and many protozoans.

More Example Sentences

Some microorganisms can cause illnesses in people.

Synonyms

germs; microbes; bacteria

Antonyms

elephant

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microorganisms
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