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

According to Hunt, if the cat is not current on its rabies vaccine, or if its vaccination status is unknown, as for a stray cat, the person will also need to undergo post-exposure prophylaxis for rabies. —Maria Azzurra Volpe, MSNBC Newsweek, 22 Oct. 2025

Seasonal vaccination coverage is already off to a slow start because federal Covid-19 vaccine recommendations came later than usual. —Deidre McPhillips, CNN Money, 22 Oct. 2025

Sinnott forgives his parents, and parents today who waver on vaccination. —Arthur Allen, ABC News, 22 Oct. 2025

Milwaukee County's flu vaccination rate was 36%, similar to the state average, according to DHS. —Anna Kleiber, jsonline.com, 22 Oct. 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