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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.

Investigators eventually suspected that the bacteria were airborne and had infected people after contaminating the air conditioning system at the convention hotel.

From Los Angeles Times • May 18, 2026

Investigators found high levels of Legionella bacteria in a cooling tower at what was then the Embassy Suites Napa Valley on California Boulevard, Napa County health officials said.

From Los Angeles Times • May 18, 2026

To explore the idea further, the researchers tested roseoflavin, a naturally occurring compound produced by bacteria that has a structure similar to vitamin B2.

From Science Daily • May 15, 2026

Small amounts of salt in food can help preserve it by preventing bacteria from growing.

From BBC • May 15, 2026

Lister warned that these practices allowed bacteria to enter the body and cause infection.

From "Ambushed!" by Gail Jarrow




Vocabulary lists containing bacteria


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