strep·​to·​coc·​cal | \ˌstrep-tə-ˈkä-kəl \
variants: or less commonly streptococcic \ˌstrep-​tə-​ˈkä-​kik, -​ˈkäk-​sik \

Definition of streptococcal 

: of, relating to, caused by, or being streptococci a streptococcal sore throat streptococcal organisms

Examples of streptococcal in a Sentence

Recent Examples on the Web

It had been thought streptococcal infections — the cause of strep throat — might be a trigger for some people who are genetically vulnerable to developing narcolepsy. Helen Branswell, STAT, "A stubborn medical mystery: Was pandemic flu vaccine tied to an increase in narcolepsy cases?," 5 July 2018 There's a vaccine designed to protect people over 65 from pneumonia-causing streptococcal bacteria, but many other bacteria, from Staphylococcus to Mycoplasma pneumoniae, can cause pneumonia. NBC News, "What is pneumonia? What to know about symptoms and treatment," 7 May 2018 Nick has been diagnosed with pediatric autoimmune neuropsychiatric disorders associated with streptococcal infections (PANDAS). Amy Schwabe, Milwaukee Journal Sentinel, "The reasons for homeschooling are varied. Even within the same family.," 5 Apr. 2018 Doctors determined that Hubley was infected with group A streptococcal bacteria, according to the Washington Post, which likely triggered her case of necrotizing fasciitis. Amanda Macmillan,, "A New Mom Became a Quadruple Amputee From Flesh-Eating Bacteria: How Common Is It?," 25 Oct. 2017 Human mouths are dominated by streptococcal bacteria, which are good at eating sugars. Erika Engelhaupt, National Geographic, "How Dog and Cat 'Kisses' Can Turn Deadly," 24 Oct. 2017 Fleming recounted a moving story involving a patient with a streptococcal throat infection who didn't take enough penicillin, passed it on to his wife, leading to her death from the newly antibiotic-resistant strain. Ariana Eunjung Cha,, "New debate on antibiotics: Do you really need to take the full course?," 28 July 2017 During an exploratory procedure, doctors found 1.5 liters of infected pus teeming with streptococcal bacteria in Breen's stomach. Maria Carter, Woman's Day, "8 Things You Need to Know About Strep Throat," 31 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'streptococcal.' 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 streptococcal

1877, in the meaning defined above

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The first known use of streptococcal was in 1877

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More Definitions for streptococcal


strep·​to·​coc·​cal | \ˌstrep-tə-ˈkäk-əl \
variants: also streptococcic \-​ˈkäk-​(s)ik \

Medical Definition of streptococcal 

: of, relating to, caused by, or being streptococci a streptococcal sore throat streptococcal organisms streptococcal gingivitis

More from Merriam-Webster on streptococcal

Rhyming Dictionary: Words that rhyme with streptococcal

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