| Vaccination (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. Thesaurus Entries Rh factor, agglutinin, allergen, anaphylactin, antiantibody, antibody, antigen, antiserum, antitoxic serum, antivenin, bang, booster, booster shot, fix, hit, hypodermic, hypodermic injection, incomplete antibody, injection, inoculation, interferon, jet injection, mainlining, narcotic injection, precipitin, serum, shooting up, shot, skin-popping, vaccination, vaccine |