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Definitions

bacteria

[bak-teer-ee-uh] / bækˈtɪər i ə /
NOUN
microorganisms
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

An analysis of his microbiome revealed a particular kind of a gut bacteria that is almost non-existent among modern humans.

From Barron's • Jun. 3, 2026

Though gone from the stomachs of people in the industrialised world, the bacteria has been detected among tribes in Africa and South America, Sarhan said.

From Barron's • Jun. 3, 2026

However, the findings also pointed to a potentially protective role for certain bacteria.

From Science Daily • Jun. 2, 2026

For 40 hours, Barnica waited in the hospital for the heartbeat to stop, with her cervix exposed to bacteria.

From Salon • May 27, 2026

Then, in the late 1890s, two Germans, Friedrich Löffler and Paul Frosch, discovered other disease-causing organisms even tinier than bacteria, called viruses.

From "An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793" by Jim Murphy




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