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From The Collaborative International Dictionary of English v.0.48:
Vaccination \Vac`ci*na"tion\, n. 1. The act, art, or practice of vaccinating, or inoculating with the cowpox, in order to prevent or mitigate an attack of smallpox. Cf. Inoculation. [1913 Webster] Note: In recent use, vaccination sometimes includes inoculation with any virus as a preventive measure; as, vaccination against cholera. [1913 Webster] 2. Any inoculation intended to raise immunity to a disease. [PJC]