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Showing results for bacteria.
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 final product needed to block harmful bacteria effectively while remaining safe for everyday use.

From Science Daily • Apr. 13, 2026

These conditions can facilitate the spread of viruses, bacteria and parasites.

From Los Angeles Times • Apr. 13, 2026

In this process, harmful bacteria such as Porphyromonas gingivalis often regain dominance quickly because they thrive in inflamed gum tissue.

From Science Daily • Apr. 13, 2026

Such warnings are typical after rainfall, which can cause ocean and bay waters to become contaminated with bacteria, chemicals, trash, and other health hazards from city streets and mountain areas, the health department said.

From Los Angeles Times • Apr. 13, 2026

The sting of the hand sanitizer was gone now, which meant the bacteria were back to breeding, spreading through my finger into the bloodstream.

From "Turtles All the Way Down" by John Green




Vocabulary lists containing bacteria