Definition of vaccinia in English:


Line breaks: vac|cinia
Pronunciation: /vakˈsɪnɪə


[mass noun] Medicine
  • Cowpox, or the virus which causes it.
    More 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).

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