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
The system’s strength comes from differences in bacterial metabolism.
—
Bojan Stojkovski, Interesting Engineering, 21 Dec. 2025
In some studies, gloves not changed between tasks had higher bacterial counts and could transfer germs just as easily as ungloved hands, underscoring the need for frequent changing and proper hand hygiene.
—Evan Moore
december 19, Charlotte Observer, 19 Dec. 2025
Before vaccination, Hib was the leading cause of bacterial meningitis in American children, causing roughly 20,000 cases of the disease annually and killing hundreds.
—Jake Scott, CNN Money, 19 Dec. 2025
Regularly change the water about once or twice a week and wash the crock with warm, soapy water to prevent any bacterial growth.
—Kaitlyn Yarborough, Southern Living, 18 Dec. 2025
See All Example Sentences for bacterial
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Bojan Stojkovski, Interesting Engineering, 21 Dec. 2025
In some studies, gloves not changed between tasks had higher bacterial counts and could transfer germs just as easily as ungloved hands, underscoring the need for frequent changing and proper hand hygiene.
—Evan Moore
december 19, Charlotte Observer, 19 Dec. 2025
Before vaccination, Hib was the leading cause of bacterial meningitis in American children, causing roughly 20,000 cases of the disease annually and killing hundreds.
—Jake Scott, CNN Money, 19 Dec. 2025
Regularly change the water about once or twice a week and wash the crock with warm, soapy water to prevent any bacterial growth.
—Kaitlyn Yarborough, Southern Living, 18 Dec. 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 27 Dec. 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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