vaccina

Medical Dictionary

vaccina vac·ci·na (vāk-sī'nə)
n.
Vaccinia.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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WordNet
vaccina

noun
a local infection induced in humans by inoculation with the virus causing cowpox in order to confer resistance to smallpox; normally lasts three weeks and leaves a pitted scar [syn: vaccinia
WordNet® 3.0, © 2006 by Princeton University.
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00:10
Vaccina is always a great word to know.
So is ninnyhammer. Does it mean:
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a fool or simpleton; ninny.
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