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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.

Restarted weekly tests to determine the quality of Jersey's seawater have identified "unacceptable levels of bacteria in seawater" in some spots.

From BBC • May 25, 2026

When the balance of oral bacteria shifts in the wrong direction, that nitrate to nitric oxide pathway may become less efficient.

From Science Daily • May 25, 2026

Among older adults, beetroot juice was linked to a notable drop in Prevotella, a group of mouth bacteria that the researchers described as potentially harmful in this context.

From Science Daily • May 25, 2026

Of course, not all shipwrecks find themselves in such relatively hospitable conditions—the Titanic, for instance, is slowly being gobbled up by iron-eating bacteria.

From The Wall Street Journal • May 22, 2026

I stopped worrying about all the bacteria and secretions in the water and learned to enjoy it.

From "I Am Not Your Perfect Mexican Daughter" by Erika L. Sánchez




Vocabulary lists containing bacteria


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