Definition of smallpox noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈsmɔːlpɒks//
; NAmE NAmE//ˈsmɔːlpɑːks//
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a serious infectious disease (now extremely rare) that causes fever, leaves permanent marks on the skin and often causes death In 1742 he suffered a fatal attack of smallpox.
See the Oxford Advanced American Dictionary entry: smallpox