bac·​te·​ri·​al | \ bak-ˈtir-ē-əl How to pronounce bacterial (audio) \

Definition of bacterial

: of, relating to, or caused by bacteria bacterial infection

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Other Words from bacterial

bacterially \ bak-​ˈtir-​ē-​ə-​lē How to pronounce bacterial (audio) \ adverb

Examples of bacterial in a Sentence

Recent Examples on the Web When the fall comes and the algae die, a bacterial feast begins, sucking all the oxygen out of the water, killing nearly all juvenile C’waam and Koptu. Emma Marris, The Atlantic, 5 June 2021 When the outbreak began, it was assumed that the cause would again be bacterial, but none of the tests could pinpoint a pathogen. New York Times, 3 June 2021 At the time, HGP used a process called bacterial artificial chromosome (BAC), where scientists used a bacterium to clone each piece of the genome, and then study them in smaller groups. Caroline Delbert, Popular Mechanics, 3 June 2021 The bobtails aren’t born with their bacterial symbionts, so when the squid get to the ISS researchers will provide the bioluminescent bacteria and see if everything proceeds normally from there, per Live Science. Alex Fox, Smithsonian Magazine, 3 June 2021 That translates to about one in 50,000 vaccine recipients, a number that isn’t concerning given the background rate of myocarditis in the general population, where it is typically triggered by viral or bacterial infections, including COVID-19. Gretchen Vogel, Science | AAAS, 1 June 2021 That's because public showers have been used by an unknown number of people, some of whom may have contagious bacterial or fungal infections. Rebecca Carhart, Travel + Leisure, 30 May 2021 Founded in 2012, Ubiome sold tests of the microbiome — including the bacterial make-up of the gut — to consumers with intestinal disorders. Los Angeles Times, 26 May 2021 Faribault has not received any reports of bacterial illness related to the recall and has since fixed the seal issue for new cans. Carolyn L. Todd, SELF, 19 May 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'bacterial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of bacterial

1869, in the meaning defined above

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Time Traveler for bacterial

Time Traveler

The first known use of bacterial was in 1869

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Statistics for bacterial

Last Updated

11 Jun 2021

Cite this Entry

“Bacterial.” Dictionary, Merriam-Webster, Accessed 22 Jun. 2021.

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More Definitions for bacterial


bac·​te·​ri·​al | \ bak-ˈtir-ē-əl How to pronounce bacterial (audio) \

Kids Definition of bacterial

: relating to or caused by bacteria a bacterial infection


bac·​te·​ri·​al | \ bak-ˈtir-ē-əl How to pronounce bacterial (audio) \

Medical Definition of bacterial

: of, relating to, or caused by bacteria a bacterial chromosome bacterial infection bacterial endocarditis

Other Words from bacterial

bacterially \ -​ə-​lē How to pronounce bacterial (audio) \ adverb

More from Merriam-Webster on bacterial

Nglish: Translation of bacterial for Spanish Speakers

Britannica English: Translation of bacterial for Arabic Speakers


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