Dictionary Home »
Dictionary Definitions » vaccine
vaccine
noun
- lymph, or a preparation of this, from a cowpox vesicle, containing the causative virus and used in vaccination against cowpox or smallpox
- any preparation of killed microorganisms, living weakened organisms, etc. introduced into the body to produce immunity to a specific disease by causing the formation of antibodies
adjective
Rare of cowpox or vaccination
See vaccine in American Heritage Dictionary 4
Learn more about vaccine
Related Articles
link/cite print suggestion box