Vaccine - Dictionary Definition and Overview

Vaccine :  (noun)

1: immunogen consisting of a suspension of weakened or dead pathogenic cells injected in order to stimulate the production of antibodies [syn: vaccinum]

Based on WordNet 2.0

Vaccine : \Vac"cine\, a. [L. vaccinus, fr. vacca a cow; cf. Skr. v[=a]c to bellow, to groan.] Of or pertaining to cows; pertaining to, derived from, or caused by, vaccinia; as, vaccine virus; the vaccine disease. -- n. The virus of vaccinia used in vaccination.

Based on WordNet (r) 2.0 (August 2003)
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