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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.

In GC, bacteria from the Firmicutes, Bacteroidetes, and Actinobacteria groups were commonly found.

From Science Daily • Apr. 4, 2026

The manufacturing process can also introduce impurities — like bacteria or heavy metals — into peptide drugs.

From Salon • Apr. 4, 2026

In IBD, bacteria from the Lachnospiraceae family played an important role, along with metabolites like urobilin and glycerate.

From Science Daily • Apr. 4, 2026

Proponents of raw dairy have long insisted that it prevents allergies and promotes beneficial bacteria, claims that are not supported by research.

From Los Angeles Times • Apr. 2, 2026

And they don’t give you new lungs when you have an antibiotic-resistant bacteria running rampant inside of you.

From "Five Feet Apart" by Rachael Lippincott