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
Keaton died on October 11, 2025, at age 79 from primary bacterial pneumonia.
—
Samantha Agate, Miami Herald, 27 Apr. 2026
Chief Deputy Medical Examiner Jonathan Lucas concluded that Patton’s death was an accident caused by acute bacterial bronchopneumonia complicated by influenza A, with substance use disorder and the effects of methadone listed as contributing factors.
—Kelly Davis, San Diego Union-Tribune, 26 Apr. 2026
Additionally, in the case of probiotic drinks, the specific bacterial strains matter too.
—Kirsten Nunez, Martha Stewart, 26 Apr. 2026
The family of Stephen Nolte, a Navy veteran who died at 71 after contracting a bacterial infection following open-heart surgery at The University of Kansas Hospital, testified in Wyandotte County District Court about his life and agonizing decline.
—Judy L. Thomas, Kansas City Star, 24 Apr. 2026
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Samantha Agate, Miami Herald, 27 Apr. 2026
Chief Deputy Medical Examiner Jonathan Lucas concluded that Patton’s death was an accident caused by acute bacterial bronchopneumonia complicated by influenza A, with substance use disorder and the effects of methadone listed as contributing factors.
—Kelly Davis, San Diego Union-Tribune, 26 Apr. 2026
Additionally, in the case of probiotic drinks, the specific bacterial strains matter too.
—Kirsten Nunez, Martha Stewart, 26 Apr. 2026
The family of Stephen Nolte, a Navy veteran who died at 71 after contracting a bacterial infection following open-heart surgery at The University of Kansas Hospital, testified in Wyandotte County District Court about his life and agonizing decline.
—Judy L. Thomas, Kansas City Star, 24 Apr. 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 1 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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