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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.

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Certain bacteria appear to prevent sorbitol from becoming a problem.

From Science Daily Sep. 6, 2026

Patti's laboratory still needs to determine exactly how bacteria break down and remove sorbitol, but the researchers found clear evidence that sorbitol does not necessarily remain confined to the digestive tract.

From Science Daily Sep. 6, 2026

The gut contains enormous communities of bacteria and other microorganisms, collectively known as the gut microbiome.

From Science Daily Sep. 4, 2026

Potable water is water that is free of harmful bacteria and chemicals and is considered safe to drink and cook with.

From BBC Aug. 29, 2026

Then, in the late 1890s, two Germans, Friedrich Löffler and Paul Frosch, discovered other disease-causing organisms even tinier than bacteria, called viruses.

From "An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793" by Jim Murphy

Coauthor Associate Professor Debnath Ghosal from The University of Melbourne says directly capturing an interaction between an Asgard archaeon and a bacterium is particularly significant.

From Science Daily Sep. 3, 2026

In a study published in Science Advances, the team used BifidoSumIL-2, an engineered strain of Bifidobacterium longum, a probiotic bacterium naturally found in the gut, to carry an immune-stimulating treatment directly into tumors.

From Science Daily Aug. 19, 2026

It is more unusual to see an outbreak like this linked to one specific stain of the bacterium affecting many people at one time.

From BBC Aug. 18, 2026

And in April, Rickettsia, a rare but deadly tick-borne bacterium, was found in a person living in Sonoma County.

From Los Angeles Times Aug. 16, 2026

Reed favored the idea that a bacterium, first identified by Italian scientists and usually found in swamps, was the culprit.

From "An American Plague: The True and Terrifying Story of the Yellow Fever Epidemic of 1793" by Jim Murphy




Vocabulary lists containing bacteria


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