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

Studies by Schwartz and Nielsen highlighted that vaccination protects mothers against Covid’s obstetric complications, particularly during waves driven by variants more likely to cause severe disease. —Bloomberg, The Mercury News, 27 Dec. 2024

As a result, some parents needlessly delay vaccinations. —Arthur L. Kellermann, Forbes, 26 Dec. 2024

Your state’s public health department may also be tracking COVID vaccinations. —Abby Norman, Verywell Health, 23 Dec. 2024

Experts attribute the trend to a combination of factors, including a decrease in the vaccination rate. —Randi Richardson, NBC News, 23 Dec. 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