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
Fifty-eight people in New York City have been diagnosed with Legionnaires’ disease, a serious bacterial lung infection, and two people have died, according to the city health department.
—
Jeffrey Kopp, CNN Money, 5 Aug. 2025
Lyme disease is a bacterial infection caused by Borrelia burgdorferi, transmitted to humans through the bite of infected black-legged ticks, also known as deer ticks.
—Tiffany Acosta, AZCentral.com, 3 Aug. 2025
Cholera is a bacterial infection that spreads due to poor sanitary practices in which human feces get into drinking water, via excrement passed into streams or by seepage from outhouses to wells.
—William E. Watson, The Conversation, 1 Aug. 2025
The bacterial infection of the udder can spread through a herd, reducing milk supply and requiring milk be discarded.
—Vickie Chachere, Forbes.com, 31 July 2025
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Jeffrey Kopp, CNN Money, 5 Aug. 2025
Lyme disease is a bacterial infection caused by Borrelia burgdorferi, transmitted to humans through the bite of infected black-legged ticks, also known as deer ticks.
—Tiffany Acosta, AZCentral.com, 3 Aug. 2025
Cholera is a bacterial infection that spreads due to poor sanitary practices in which human feces get into drinking water, via excrement passed into streams or by seepage from outhouses to wells.
—William E. Watson, The Conversation, 1 Aug. 2025
The bacterial infection of the udder can spread through a herd, reducing milk supply and requiring milk be discarded.
—Vickie Chachere, Forbes.com, 31 July 2025
See All Example Sentences for bacterial
Cite this Entry
“Bacterial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bacterial. Accessed 21 Aug. 2025.
Copy CitationKids 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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