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Webster 1913 Edition
Smallpox
Small′poxˊ
,Noun.
[
Small
+ pox
, pocks
.] (Med.)
A contagious, constitutional, febrile disease characterized by a peculiar eruption; variola. The cutaneous eruption is at first a collection of papules which become vesicles (first flat, subsequently umbilicated) and then pustules, and finally thick crusts which slough after a certain time, often leaving a pit, or scar.