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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 findings suggest that gut bacteria act as an environmental trigger, influencing whether the disease develops in genetically at-risk individuals.

From Science Daily • Apr. 9, 2026

They then used this information to detect colorectal cancer based on bacteria found in simple stool samples, offering a non-invasive and low-cost alternative.

From Science Daily • Apr. 9, 2026

Instead, it comes from certain foods and from bacteria living in the gut.

From Science Daily • Apr. 7, 2026

Hsiao plans to explore how these dietary changes influence the human gut microbiome and whether they could also help defend against other infectious bacteria.

From Science Daily • Apr. 7, 2026

The worms and bacteria had eaten the rest.

From "The Pigman" by Paul Zindel




Vocabulary lists containing bacteria