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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.

Keep chilled foods out of the fridge for as little time as possible to stop bacteria growing and making you ill.

From BBC • Jul. 2, 2026

Just maybe don’t tell your dinner guests that you are growing bacteria in the next room over.

From The Wall Street Journal • Jun. 29, 2026

The researchers were surprised to discover that the bacteria were not helping plants by reducing salt levels inside their tissues.

From Science Daily • Jun. 29, 2026

We already have bacteria that produce ethanol, as well as bacteria that break down plastic, so both in one doesn’t seem like that much of a stretch.

From The Wall Street Journal • Jun. 29, 2026

But Civil War doctors didn't know that infection-causing bacteria even existed.

From "Ambushed!" by Gail Jarrow




Vocabulary lists containing bacteria


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