Search Result for "smallpox virus":
Wordnet 3.0

NOUN (1)

1. the virus that causes smallpox in humans; can be used as a bioweapon;
[syn: variola virus, smallpox virus]



WordNet (r) 3.0 (2006):

smallpox virus
    n 1: the virus that causes smallpox in humans; can be used as a
         bioweapon [syn: variola virus, smallpox virus]