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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.

The gut is home to trillions of microorganisms, including bacteria, viruses and fungi.

From BBC • Jun. 11, 2026

Several other strains of the bacteria exist and can infect other host plants, including citrus, stone fruits, almonds, oleander and some shade trees, according to the California Pierce’s Disease Control Program.

From Los Angeles Times • Jun. 11, 2026

Daera said on Thursday that levels of bacteria from sewage or animal waste, were not high enough to pose a risk.

From BBC • Jun. 4, 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

Once these bacteria get established in the body, they reproduce wildly.

From "Phineas Gage" by John Fleischman




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