vaccination

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noun vac·ci·na·tion \ ˌvak-sə-ˈnā-shən \

Definition of vaccination

1 :the act of vaccinating
2 :the scar left by vaccinating

Recent Examples of vaccination from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'vaccination.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of vaccination

earlier, "inoculation with fluid from cowpox pustules," from vaccine "of cowpox" (in the phrases vaccine matter, vaccine virus) + -ation — more at vaccine


VACCINATION Defined for Kids

vaccination

play
noun vac·ci·na·tion \ ˌvak-sə-ˈnā-shən \

Definition of vaccination for Students

:the act of vaccinating

Medical Dictionary

vaccination

play
noun vac·ci·na·tion \ ˌvak-sə-ˈnā-shən \

medical Definition of vaccination

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


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