vaccination

noun

vac·​ci·​na·​tion ˌvak-sə-ˈnā-shən 

1

: the act of vaccinating

2

: the scar left by vaccinating

Examples of vaccination in a Sentence

Recent Examples on the Web

Bella is up-to-date on her vaccinations and flea- and parasite-free. —Maryanne Dell, Orange County Register, 13 July 2024

That’s because the country has a good amount of herd immunity, either from vaccination, previous infections, or both. —Michelle Marchante, Miami Herald, 11 July 2024

The health department highly recommends vaccination for those who are at risk of mpox. —Ed Stannard, Hartford Courant, 8 July 2024

Most Americans have some degree of immunity from being infected, from past vaccinations or both. —Seamus Webster, Fortune Well, 28 June 2024

Word History

Etymology

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

First Known Use

1891, in the meaning defined at sense 1

Phrases Containing vaccination

• anti-vaccination

Kids Definition

vaccination

noun

vac·​ci·​na·​tion ˌvak-sə-ˈnā-shən 

1

: the act of vaccinating

2

: the scar left by vaccinating

Medical Definition

vaccination

noun

vac·​ci·​na·​tion ˌvak-sə-ˈnā-shən 

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