Category:Vaccine

Vac"cine, a. Etym: [l. vaccinus, fr. vacca a cow; cf. Skr. vac to Bellow, to groan.]

Defn: of or pertaining to cows; pertaining to, derived from, or Caused by, vaccinia; as, vaccine virus; the vaccine disease. -- n.

Defn: the virus of vaccinia used in vaccination.