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.
Common causes of bacterial pneumonia include Mycoplasma pneumoniae and Streptococcus pneumoniae. Katia Hetter, CNN, 19 Feb. 2025 But others may suffer from severe disease marked by extensive hair loss, secondary bacterial infections, emaciation and, eventually, death. Lila Seidman, Los Angeles Times, 19 Feb. 2025 While a bacterial infection can be treated with antibiotics, viral infections cannot. Joshua McElwee and Oriana Boselli, USA TODAY, 19 Feb. 2025 In general, being at a healthy weight equates to a healthier microbiome: Weight loss has been associated with more bacterial diversity and a better balance of good bacteria in the gut. Mara Santilli, Flow Space, 18 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

Dictionary Entries Near bacterial

Cite this Entry

“Bacterial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/bacterial. Accessed 22 Feb. 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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