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

The bacteria that cause tetanus are everywhere in our environment and cannot be eliminated, which is why staying up to date on vaccination is so important. — Faye Chiu, CNN Money, 23 June 2026

Governments around the world used an overwhelmingly survivable virus to usher in a digital surveillance framework under the pretext of vaccination verification. — Rachel Marsden, Hartford Courant, 21 June 2026

Declining vaccination rates The worst spread has been in the southwestern part of the state, where 265 people have fallen ill with the vaccine-preventable disease since last summer. — Devi Shastri, Los Angeles Times, 20 June 2026

Utah sees the impacts of dropping vaccination rates The worst spread has been in the southwestern part of the state, where 265 people have fallen ill with the vaccine-preventable disease since last summer. — Devi Shastri, Fortune, 20 June 2026

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