the scientific study of the spread and control of diseases
NAmE//ˌɛpəˌdimiəˈlɑdʒɪkl//
adjective NAmE//ˌɛpəˌdimiˈɑlədʒɪst//
nounSee epidemiology in the Oxford Advanced Learner's DictionaryCheck pronunciation: epidemiology
Definition of epidemiology noun from the Oxford Advanced American Dictionary