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vaccinia Line breaks: vac|cinia
Pronunciation: /vakˈsɪnɪə/

Definition of vaccinia in English:


[mass noun] Medicine
Cowpox, or the virus which causes it.
Example sentences
  • Smallpox vaccine contains live vaccinia virus, a milder cousin of the variola virus.
  • A live, replicating virus, vaccinia can cause side effects, which on rare occasions can be serious and potentially life-threatening.
  • Jenner waited only four years before declaring that the vaccine that he named vaccinia provided immunity from smallpox for life.


Early 19th century: modern Latin, from Latin vaccinus (see vaccine).

Definition of vaccinia in:

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Word of the day innocuous
Pronunciation: iˈnäkyo͞oəs
not harmful or offensive