Vac`ci*na"tion (?), n.
The act, art, or practice of vaccinating, or inoculating with the cowpox, in order to prevent or mitigate an attack of smallpox. Cf. Inoculation.
<-- 2. any inoculation intended to raise immunity to a disease. -->
⇒ In recent use, vaccination sometimes includes inoculation with any virus as a preventive measure; as, vaccination of cholera.
© Webster 1913.