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

Kennedy’s statement on measles vaccination also appeared in the piece after a paragraph emphasizing treatment, such as vitamin A, for people who are sick. —Meg Tirrell, CNN, 3 Mar. 2025

Without vaccination, measles can be dangerous or even deadly. —Sara Moniuszko, CBS News, 3 Mar. 2025

Second, the federal government should invest in efforts to promote vaccinations. —Abigail Silva, Chicago Tribune, 3 Mar. 2025

The question of whether someone should get another measles vaccine depends on a few factors, like their vaccination history, age and health status, according to Saphier, who practices in New York. —Melissa Rudy, Fox News, 2 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