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Word of the Day Tuesday, June 9, 2026

bacteria

/ˈbæktɪriə/ noun · British & US
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What does bacteria mean?

noun

Single-celled microorganisms that are typically rounded or rod-shaped and are found almost everywhere, including in the air, water, soil, and the bodies of animals and plants.

Example

"The bacteria in the water were causing the fish to become ill."

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

Synonyms for bacteria

Rhymes with bacteria

Etymologically related