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



BrE BrE//ˈtʃɪkɪnpɒks//
; NAmE NAmE//ˈtʃɪkɪnpɑːks//
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a disease, especially of children, that causes a slight fever and many spots on the skin to catch/get/have chickenpox Word Origin early 18th cent.: probably so named because of its mildness, as compared to smallpox.