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 bacterially (audio) \ adverb

Examples of bacterial in a Sentence

Recent Examples on the Web

Here’s a few things to know about how to avoid Vibrio bacterial infections this summer: What are Vibrio bacteria? Lillian Reed,, "A mom said her son was infected with Vibrio bacteria in Ocean City. Here's how to avoid the same fate.," 5 July 2019 Antibiotics are drugs that treat bacterial infections, such as strep throat or ear infections, by killing bacteria. Svenja Lohner, Scientific American, "How Do You Stop Superbugs?," 4 July 2019 No matter your risk, good wound care is the best way to prevent any bacterial skin infection, according to the CDC. Susan Scutti, CNN, "Maryland boy victim of flesh-eating bacteria after a swim off the coast of Maryland," 3 July 2019 Such abscesses — bacterial infections inside or around the brain — are rare and dangerous. Julia Michie Bruckner, Discover Magazine, "Is a Teen's Pain Just Drama, or Something Worse?," 12 Mar. 2019 However, bites can become infected with bacteria; a bacterial infection can manifest from one to three days after a bite, Dr. Lutwick says. Maggie O'neill,, "How to Get Rid of Mosquito Bites, According to an Expert," 21 June 2019 Prior to last year, New Jersey’s Cooper University Hospital had only seen one case of Vibrio vulnificus, a flesh-eating bacterial infection linked with eating or handling contaminated shellfish, over the course of the previous eight years. Meilan Solly, Smithsonian, "Warming Waters May Be Driving Flesh-Eating Bacteria to East Coast Beaches," 21 June 2019 The Canadian country-pop star has spoken once more about her time out recovering from Lyme disease, a bacterial infection that can be transmitted by ticks, and how multiple bouts of surgery took its toll on her vocals and her mental health. Lars Brandle, Billboard, "Shania Twain Talks Lyme Disease, Recovery From Open-Throat Surgery," 19 June 2019 The report authors described five cases of severe flesh-eating bacterial infections in people who were exposed to water or seafood from the Delaware Bay, which sits between Delaware and New Jersey. Rachael Rettner, Scientific American, "“Flesh-Eating” Bacteria May Be Spreading to Beaches Once Thought Off-Limits," 18 June 2019

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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Statistics for bacterial

Last Updated

11 Jul 2019

Look-up Popularity

Time Traveler for bacterial

The first known use of bacterial was in 1869

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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 bacterially (audio) \ adverb

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More from Merriam-Webster on bacterial

Rhyming Dictionary: Words that rhyme with bacterial

Spanish Central: Translation of bacterial

Nglish: Translation of bacterial for Spanish Speakers

Britannica English: Translation of bacterial for Arabic Speakers

Comments on bacterial

What made you want to look up bacterial? Please tell us where you read or heard it (including the quote, if possible).


appealing forcibly to the mind or reason

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