vac·ci·na·tion | \ˌvak-sə-ˈnā-shən \

Definition of vaccination 

1 : the act of vaccinating

2 : the scar left by vaccinating

Examples of vaccination in a Sentence

Recent Examples on the Web

These vaccinations are necessary to prevent more serious, and expensive, illnesses. USA TODAY, "Don't let puppy love blind you to the expense of having a dog," 22 June 2018 There is a reason why vaccination is compulsory in some countries. Zoë Weiner, Teen Vogue, "Fans Boycott Kat Von D’s Beauty Brand After Her Anti-Vaccination Comments," 15 June 2018 With diseases like Ebola, where there is no cure and predicting outbreaks is difficult, vaccination is essential. Seth Berkley, STAT, "Do we keep waiting for the next pandemic or try to prevent it?," 14 June 2018 The yellow fever vaccination is in low supply in the United States due to a production shortage. James F. Mccarty,, "Colombia offers unspoiled beauty for tourists after being unreachable for decades (photos)," 13 Feb. 2018 Each child would receive vaccinations, making some feel drowsy and sick in the days to come. Aaron Leibowitz, miamiherald, "Harsh prison or cushy camp? Ex-staffers have different takes on life at Homestead shelter," 11 July 2018 Two of the eight could have pneumonia, and all were being treated with antibiotics and vaccinations for tetanus and rabies, the New York Times’s Richard C. Paddock and Mike Ives reported yesterday. Colby Itkowitz, Washington Post, "The Health 202: Kavanaugh may not completely gut Obamacare if he makes it to the Supreme Court," 11 July 2018 With immediate post-exposure vaccination shots, though, rabies can be prevented even after the bite. Andy Marso, kansascity, "After JoCo bat tests positive for rabies, health department warns residents of danger," 10 July 2018 The woman, in her 20s, had reported no pain or previous trauma, no medical issues, no history of major illness or high fever and no vaccinations or use of medications in the past year. Ashley Welch, CBS News, "Woman lost her toenails after fish pedicure," 5 July 2018

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

1891, in the meaning defined at sense 1

History and Etymology for vaccination

earlier, "inoculation with fluid from cowpox pustules," from vaccine "of cowpox" (in the phrases vaccine matter, vaccine virus) + -ation — more at vaccine

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Last Updated

15 Oct 2018

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Time Traveler for vaccination

The first known use of vaccination was in 1891

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More Definitions for vaccination


vac·ci·na·tion | \ˌvak-sə-ˈnā-shən \

Kids Definition of vaccination

: the act of vaccinating


vac·ci·na·tion | \ˌvak-sə-ˈnā-shən \

Medical Definition of vaccination 

1 : the introduction into humans or domestic animals of microorganisms that have previously been treated to make them harmless for the purpose of inducing the development of immunity oral vaccination vaccination against smallpox vaccination for whooping cough

2 : the scar left by vaccinating

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one that holds something together

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