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| vac·cin·i·a [ vak sínnee ə ] |
noun |
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| Definition: |
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skin eruption following inoculation: a skin eruption in reaction to inoculation with the weakened cowpox virus that was once used to vaccinate people against smallpox
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| [Early 19th century. < modern Latin< Latin vaccinus (see vaccine)] |
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 vac·cin·i·al adjective |
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