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bacterial
adjective
bac·te·ri·al
bak-ˈtir-ē-əl
: of, relating to, or caused by bacteria
bacterial infection
Examples of bacterial in a Sentence
Recent Examples on the Web
Common causes of bacterial pneumonia include Mycoplasma pneumoniae and Streptococcus pneumoniae.
—
Katia Hetter, CNN, 19 Feb. 2025
But others may suffer from severe disease marked by extensive hair loss, secondary bacterial infections, emaciation and, eventually, death.
—
Lila Seidman, Los Angeles Times, 19 Feb. 2025
While a bacterial infection can be treated with antibiotics, viral infections cannot.
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Joshua McElwee and Oriana Boselli, USA TODAY, 19 Feb. 2025
In general, being at a healthy weight equates to a healthier microbiome: Weight loss has been associated with more bacterial diversity and a better balance of good bacteria in the gut.
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Mara Santilli, Flow Space, 18 Feb. 2025
See all Example Sentences for bacterial 
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Word History
First Known Use
1869, in the meaning defined above
Phrases Containing bacterial
Articles Related to bacterial
Dictionary Entries Near bacterial
Cite this Entry
“Bacterial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bacterial. Accessed 22 Feb. 2025.
Kids Definition
bacterial
adjective
bac·te·ri·al
bak-ˈtir-ē-əl
: of, relating to, or caused by bacteria
Medical Definition
bacterial
adjective
bac·te·ri·al
bak-ˈtir-ē-əl
: of, relating to, or caused by bacteria
a bacterial chromosome
bacterial infection
bacterial endocarditis
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