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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 gut is home to trillions of microorganisms, including bacteria, viruses and fungi.

From BBC • Jun. 11, 2026

Several other strains of the bacteria exist and can infect other host plants, including citrus, stone fruits, almonds, oleander and some shade trees, according to the California Pierce’s Disease Control Program.

From Los Angeles Times • Jun. 11, 2026

We've had a "honeymoon period" of 25 years of low activity, he said, which means there hasn't been as much exposure to the bacteria, leaving populations potentially more susceptible now.

From BBC • Jun. 11, 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

The body's immune system tries to kill the invading bacteria with an array of special immune cells, while the bacteria try to protect themselves against immune cells by cranking out toxic chemicals.

From "Phineas Gage" by John Fleischman




Vocabulary lists containing bacteria


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