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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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He goes on to emphasize that what Claude found — a previously uncharacterized enzyme system found in viruses that infect bacteria — isn’t necessarily going to be useful.

From Salon ● Sep. 30, 2026

"The bacteria spreads more easily in that group, it's lots of people mixing together, and more independence as people move away from parents."

From BBC ● Sep. 29, 2026

Researchers also found differences in several types of gut bacteria.

From Science Daily ● Sep. 28, 2026

"For anybody who studies pathogenic bacteria, it's always in the back of our minds that antibiotics are one of the most important breakthroughs in medicine in the 20th century," Barber said.

From Science Daily ● Sep. 28, 2026

Other times, he asked for tea and then went on to examine the sugar bowl and the tin of milk, muttering, “The capabilities of bacteria are quite extraordinary.”

From "Half of a Yellow Sun" by Chimamanda Ngozi Adichie

The team reconstructed 26 genomes of Yersinia pestis, the bacterium that causes plague, from human remains recovered at 11 archaeological sites in Estonia, Russia, England, the Netherlands, and Switzerland.

From Science Daily ● Sep. 20, 2026

Studies of modern plague systems have shown that changes in climate can strongly affect outbreaks among wild rodents, which act as natural hosts for the bacterium.

From Science Daily ● Sep. 20, 2026

It uses a harmless bacterium to insert DNA into the rootstock exactly where it is needed to give the tree resistance.

From The Wall Street Journal ● Sep. 19, 2026

For these components, the researchers used Pantoea agglomerans, a bacterium that commonly grows on surfaces, including plants.

From Science Daily ● Sep. 4, 2026

In 1940, an experiment on the simplest of organisms—a microscopic, capsule-shaped, gut-dwelling bacterium named Escherichia coli—provided the first crucial clue to this question.

From "The Gene" by Siddhartha Mukherjee




Vocabulary lists containing bacteria


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