Dictionary
small•pox
Pronunciation: (smôl'poks"), [key]—
n. Pathol.
an acute, highly contagious, febrile disease, caused by the variola virus, and characterized by a pustular eruption that often leaves permanent pits or scars: eradicated worldwide by vaccination programs.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.