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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.

On the other, they might inadvertently bring in a disease or bacteria.

From Los Angeles Times • Jun. 9, 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

The study also showed that gut bacteria play an important role in the process.

From Science Daily • May 28, 2026

The highly contagious illness is caused by bacteria growing in the body, usually the lungs, and is spread through the air when people cough, sneeze, or spit.

From "At Last She Stood" by Erin Entrada Kelly




Vocabulary lists containing bacteria


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