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

Of the 259 cases in Texas, 257 were in people who were either unvaccinated, or whose vaccination status was unknown, according to the state health department. —Compiled By Democrat-Gazette Staff From Wire Reports, arkansasonline.com, 15 Mar. 2025

Between the two states, 256 cases have been confirmed as of Thursday, mostly in those who are unvaccinated or with unknown vaccination status, according to state health officials. —Mary Kekatos, ABC News, 14 Mar. 2025

Almost all the cases to date are among unvaccinated individuals or in individuals whose vaccination status is unknown. —Nathaniel Weixel, The Hill, 14 Mar. 2025

Fifteen cases were in people under 18 and all but two were in unvaccinated people or people of unknown vaccination status. —Mary Walrath-Holdridge, USA TODAY, 14 Mar. 2025

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

Rhymes for vaccination

• abdication
• aberration
• abjuration
• abnegation
• abrogation
• acceptation
• acclamation
• acclimation
• accusation
• activation
• actuation
• acylation

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