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

Ring-vaccination strategies and monoclonal antibody therapies dramatically improved containment capabilities and survival outcomes during later outbreaks in the Democratic Republic of Congo. —Steve Brozak, Forbes.com, 25 May 2026

Pets must be current on their vaccinations and be registered with the county. —Orlando Sentinel Staff, The Orlando Sentinel, 24 May 2026

The following day, the remaining 25 dogs were brought to the shelter by the owner for veterinary care, vaccinations, deworming and flea treatment, Willson added. —Moná Thomas, PEOPLE, 22 May 2026

The most confusion occurred regarding vaccination. —Theresa Gaffney, STAT, 22 May 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