Definitions for vaccinationˌvæk səˈneɪ ʃən

Random House Webster's College Dictionary

vac•ci•na•tionˌvæk səˈneɪ ʃən(n.)

the act or practice of inoculating with vaccine.
Category: Immunology
the scar where a vaccine was administered.
Category: Immunology

Origin of vaccination:

1800–10

Princeton's WordNet

inoculation, vaccination(noun)
taking a vaccine as a precaution against contracting a disease
vaccination(noun)
the scar left following inoculation with a vaccine

Wiktionary

vaccination(Noun)
Inoculation with a vaccine in order to protect a particular disease or strain of disease

Origin: From vacca. The term was coined by Edward Jenner (1749-1823) who infected people with weakened cowpox viruses to immunise them against the disease.

Webster Dictionary

Vaccination(noun)
the act, art, or practice of vaccinating, or inoculating with the cowpox, in order to prevent or mitigate an attack of smallpox. Cf. Inoculation

The Nuttall Encyclopedia

Vaccination
. Inoculation with the matter of cowpox as a protection against smallpox, was introduced 1796-98 by Edward Jenner (q. v.), and at length adopted by the faculty after much opposition on the part of both medical men and the public.

U.S. National Library of Medicine

Vaccination
Administration of vaccines to stimulate the host's immune response. This includes any preparation intended for active immunological prophylaxis.