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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

If bacteria stop growing, the antibiotic in that tube is effective.

From Science Daily • Mar. 31, 2026

Scientists at TU Wien, working with data storage company Cerabyte, produced a QR code measuring just 1.98 square micrometers, which is smaller than most bacteria.

From Science Daily • Mar. 29, 2026

Ben says we’re each our own universe of bacteria, which can be good or bad.

From "The Wrong Way Home" by Kate O’Shaughnessy