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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.

DNA evidence revealed bacteria associated with oral health problems, including dental disease, but there was no indication of widespread epidemic infections.

From Science Daily • May 19, 2026

The bacteria were identified through “robust routine internal monitoring processes,” according to Kaiser.

From Los Angeles Times • May 18, 2026

When bacteria spread into the tissues surrounding the tooth root, the immune system reacts.

From Science Daily • May 16, 2026

Small amounts of salt in food can help preserve it by preventing bacteria from growing.

From BBC • May 15, 2026

He suspected that bacteria entered wounds through a surgeon's dirty hands and instruments.

From "Ambushed!" by Gail Jarrow




Vocabulary lists containing bacteria


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