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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 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

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

For 40 hours, Barnica waited in the hospital for the heartbeat to stop, with her cervix exposed to bacteria.

From Salon • May 27, 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




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