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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

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

From Los Angeles Times • Apr. 2, 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

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

When bacteria switched from glucose to lactose consumption, they induced specific lactose-digesting enzymes.

From "The Gene" by Siddhartha Mukherjee