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vaccinia

[vak-sin-ee-uh]
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noun
  1. a variant of the cowpox virus that became established in vaccines derived from cowpox-inoculated humans.
  2. Pathology. an acute infection caused by inoculation with vaccinia virus as a prophylactic against smallpox, characterized by localized pustular eruptions.

Origin of vaccinia

From New Latin, dating back to 1800–10; see origin at vaccine, -ia
Related formsvac·cin·i·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for vaccinia

vaccinia

noun
  1. a technical name for cowpox
Derived Formsvaccinial, adjective

Word Origin

C19: New Latin, from Latin vaccīnus of cows
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

vaccinia in Medicine

vaccinia

(văk-sĭnē-ə)
n.
  1. cowpox
  2. An infection induced in humans by inoculation with the vaccinia virus in order to confer resistance to smallpox; it is usually limited to the site of inoculation.primary reaction
Related formsvac•cini•al adj.