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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

When rain falls on California shopping centers and warehouses, the water runs off parking lots carrying metal dust and chemicals from vehicle tires and brake pads, oil and grease from engines, and bacteria from trash.

From Los Angeles Times • Jun. 5, 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

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

From bacteria to elephants—from red-eyed flies to blue-blooded princes—biological information flowed through living systems in a systematic, archetypal manner: DNA provided instructions to build RNA.

From "The Gene" by Siddhartha Mukherjee




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