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 fetus was only 70 days old when the mother died of a bacterial infection.
—
Alex Morris, Rolling Stone, 19 May 2026
Similarly, a parent’s directive that doctors withhold antibiotics from a child who arrived at the ER with a rapidly lethal infection like bacterial meningitis would be rightly unheeded.
—Adam W. Gaffney, STAT, 18 May 2026
Keep the refrigerator at or below 40°F to keep bacterial growth in check.
—Anne Wolf, Martha Stewart, 17 May 2026
Regular yogurt is made by fermenting milk with live bacterial cultures.
—Lauren Panoff, Verywell Health, 17 May 2026
See All Example Sentences for bacterial
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Alex Morris, Rolling Stone, 19 May 2026
Similarly, a parent’s directive that doctors withhold antibiotics from a child who arrived at the ER with a rapidly lethal infection like bacterial meningitis would be rightly unheeded.
—Adam W. Gaffney, STAT, 18 May 2026
Keep the refrigerator at or below 40°F to keep bacterial growth in check.
—Anne Wolf, Martha Stewart, 17 May 2026
Regular yogurt is made by fermenting milk with live bacterial cultures.
—Lauren Panoff, Verywell Health, 17 May 2026
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 May. 2026.
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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