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Definitions

bacteria

[bak-teer-ee-uh] / bækˈtɪər i ə /
NOUN
microorganisms
Synonyms


Example Sentences

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Mice exposed to sucralose showed larger changes in the composition of their fecal microbiomes, including greater numbers of potentially pathogenic bacteria and fewer beneficial species.

From Science Daily Aug. 31, 2026

That pattern suggests their gut bacteria were producing fewer beneficial metabolites.

From Science Daily Aug. 31, 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

Some of the cases date back a year, but all involve bacteria that are almost genetically identical, suggesting a common food source.

From BBC Aug. 27, 2026

The site of this biological battle between the immune system and bacteria swells up and turns red.

From "Phineas Gage" by John Fleischman

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

The community contained an unusual dominant organism, a very small predatory bacterium.

From Science Daily Aug. 5, 2026

Some governments also use Wolbachia, a naturally occurring bacterium found in about half of all insect species, to curb the spread of mosquito-borne diseases like dengue.

From BBC Jul. 23, 2026

Agricultural use of insect diseases, caused by a bacterium highly specific for certain lypes of insects, is already being tried in California, and more extended tests of this method are under way.

From "Silent Spring" by Rachel Carson




Vocabulary lists containing bacteria


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