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Word of the Day Tuesday, June 9, 2026

microorganism

/ˌmaɪkrəʊˈɡænɪzəm/ noun · British & US
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What does microorganism mean?

noun

A microorganism is a microscopic living organism, such as a bacterium, virus, or fungus. Microorganisms are found almost everywhere and play a crucial role in many ecosystems.

Example

"The scientist studied the microorganisms in the soil to understand their impact on plant growth."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for microorganism

Rhymes with microorganism

Etymologically related