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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.

Meningitis B bacteria spread through close contact - for example through kissing, sharing vapes and drinks or living in close quarters with a person with the bug.

From BBC • 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

The plan is to infect males — which don’t bite — with a bacteria called Wolbachia, which effectively renders them sterile.

From Los Angeles Times • 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

But once transformed, the bacteria maintained their new coats for several generations—long after any food source would have been exhausted.

From "The Gene" by Siddhartha Mukherjee




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