Hypertext Webster Gateway: "vaccinia"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Vaccinia \Vac*cin"i*a\, n. [NL. See {Vaccine}.] (Med.)
Cowpox; vaccina. See {Cowpox}.
From WordNet (r) 1.7 (wn)
vaccinia
n : a viral disease of cattle causing a mild skin disease
affecting the udder; formerly used to inoculate humans
against smallpox [syn: {cowpox}]
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