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
Its industrial-scale synthetic indigo production that uses a proprietary bacterial strain for world-leading efficiency.
—
Alexandra Harrell, Sourcing Journal, 3 Oct. 2025
Kroger stores across more than a dozen states have been asked to recall some pasta products due to growing concerns about a Listeria bacterial infection that could cause severe illness or death.
—Peter Aitken, MSNBC Newsweek, 3 Oct. 2025
In the study, which was published in JAMA Oncology, researchers identified 27 types of bacterial and fungal species in the mouth’s microbiome that may contribute to the disease.
—Amy McGorry, FOXNews.com, 2 Oct. 2025
The inflammation may be due to a bacterial infection or occur in the absence of an infection (where it is referred to as chronic prostatitis/chronic pelvic pain syndrome, or CP/CPPS).
—Md Published, PEOPLE, 2 Oct. 2025
See All Example Sentences for bacterial
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Alexandra Harrell, Sourcing Journal, 3 Oct. 2025
Kroger stores across more than a dozen states have been asked to recall some pasta products due to growing concerns about a Listeria bacterial infection that could cause severe illness or death.
—Peter Aitken, MSNBC Newsweek, 3 Oct. 2025
In the study, which was published in JAMA Oncology, researchers identified 27 types of bacterial and fungal species in the mouth’s microbiome that may contribute to the disease.
—Amy McGorry, FOXNews.com, 2 Oct. 2025
The inflammation may be due to a bacterial infection or occur in the absence of an infection (where it is referred to as chronic prostatitis/chronic pelvic pain syndrome, or CP/CPPS).
—Md Published, PEOPLE, 2 Oct. 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 7 Oct. 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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