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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 manufacturing process can also introduce impurities — like bacteria or heavy metals — into peptide drugs.

From Salon • Apr. 4, 2026

Proponents of raw dairy have long insisted that it prevents allergies and promotes beneficial bacteria, claims that are not supported by research.

From Los Angeles Times • Apr. 2, 2026

“There’s no pathogenic bacteria correlating us to anybody,” said McAfee.

From Los Angeles Times • Apr. 2, 2026

At the same time, about one in four urine samples tested in NHS laboratories contains bacteria that are resistant to commonly used antibiotics.

From Science Daily • Mar. 31, 2026

The sting of the hand sanitizer was gone now, which meant the bacteria were back to breeding, spreading through my finger into the bloodstream.

From "Turtles All the Way Down" by John Green