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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.

"It may also be that fasting has beneficial effects on the microbiome -- the body's community of bacteria that help to keep it healthy. However, further research is needed to confirm this relationship."

From Science Daily • Jun. 12, 2026

Meningitis B bacteria spread through close contact - for example through kissing, sharing vapes and drinks or living in close quarters with a person with the bug.

From BBC • Jun. 11, 2026

The plan is to infect males — which don’t bite — with a bacteria called Wolbachia, which effectively renders them sterile.

From Los Angeles Times • Jun. 4, 2026

Though gone from the stomachs of people in the industrialised world, the bacteria has been detected among tribes in Africa and South America, Sarhan said.

From Barron's • Jun. 3, 2026

"Strep" bacteria live on nearly everything people touch but are only dangerous if they can penetrate the body's defenses and overpower the immune system.

From "Phineas Gage" by John Fleischman




Vocabulary lists containing bacteria


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