pertussis

noun

per·​tus·​sis pər-ˈtə-səs How to pronounce pertussis (audio)

Examples of pertussis in a Sentence

Recent Examples on the Web
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Requirements for vaccinations against measles, mumps, rubella, pertussis (whooping-cough), diphtheria, and polio would require legislation to change. Beth Mole, ArsTechnica, 30 Apr. 2026 The diphtheria, tetanus, and pertussis vaccine can prevent infections and reduce the likelihood of severe disease. Fedor Zarkhin, Los Angeles Times, 30 Apr. 2026 State law still would require vaccines for polio, measles, mumps, rubella, diphtheria, pertussis and tetanus. Cindy Krischer Goodman, The Orlando Sentinel, 16 Apr. 2026 Common examples include DTaP – for diphtheria, tetanus and pertussis – and MMR, for measles, mumps and rubella. Kar-Hai Chu, The Conversation, 10 Apr. 2026 See All Example Sentences for pertussis

Word History

Etymology

New Latin, from Latin per- thoroughly + tussis cough

First Known Use

circa 1772, in the meaning defined above

Time Traveler
The first known use of pertussis was circa 1772

Browse Nearby Words

Cite this Entry

“Pertussis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/pertussis. Accessed 4 May. 2026.

Kids Definition

pertussis

noun
per·​tus·​sis pər-ˈtəs-əs How to pronounce pertussis (audio)

Medical Definition

pertussis

noun
per·​tus·​sis pər-ˈtəs-əs How to pronounce pertussis (audio)

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