bacterial

adjective

bac·​te·​ri·​al bak-ˈtir-ē-əl How to pronounce bacterial (audio)
: of, relating to, or caused by bacteria
bacterial infection
bacterially adverb

Examples of bacterial in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
It has been used for centuries in traditional Chinese medicine (TCM) to treat digestive issues, inflammation, and bacterial infections. New Atlas, 3 Mar. 2025 These bacterial colonies serve as the primary food source for other creatures in the cave. Scott Travers, Forbes, 2 Mar. 2025 Other bacterial infections and fungal infections can sometimes cause vaginal ulcers. Wendy Wisner, Health, 28 Feb. 2025 This can identify the exact bacterial species and help select the correct antibiotics. Matthew Wosnitzer, Verywell Health, 28 Feb. 2025 See All Example Sentences for bacterial

Word History

First Known Use

1869, in the meaning defined above

Time Traveler
The first known use of bacterial was in 1869

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Cite this Entry

“Bacterial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bacterial. Accessed 12 Mar. 2025.

Kids Definition

bacterial

adjective
bac·​te·​ri·​al bak-ˈtir-ē-əl How to pronounce bacterial (audio)
: of, relating to, or caused by bacteria

Medical Definition

bacterial

adjective
bac·​te·​ri·​al bak-ˈtir-ē-əl How to pronounce bacterial (audio)
: of, relating to, or caused by bacteria
a bacterial chromosome
bacterial infection
bacterial endocarditis
bacterially adverb

More from Merriam-Webster on bacterial

Last Updated: - Updated example sentences
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