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

Pharmacies are unable to administer COVID-19 vaccines in Massachusetts, Nevada, and New Mexico, where state laws don't allow any pharmacists to give a vaccination not recommended by ACIP. —Mary Walrath-Holdridge, USA Today, 4 Sep. 2025

Primary care also improves access to preventive services like vaccinations and screenings, which help detect disease early and reduce the incidence of severe illness. —Web Golinkin, Forbes.com, 3 Sep. 2025

Until now, parents who strongly opposed vaccination could seek exemptions for medical or religious reasons. —Michelle Marchante, Miami Herald, 3 Sep. 2025

Nationwide, non-medical exemptions are at an all-time high, and kindergarten vaccination rates have fallen to the range of 92 percent, below the 95 percent target needed to prevent community spread. —Jon Brodkin, ArsTechnica, 3 Sep. 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