D defs.my
Entry 1 sense Webster, 1913

epidemiology

/ĕpˌ-əd-ĕmˌ-ē-äl'-əj-ē/ · ep·i·de·mi·ol·o·gy · IPA /ˌɛpɪˌdimiˈɑləd͡ʒi/
01 n. That branch of medicine which studies the incidence and distribution of disease in a population, and uses such information to find the caus…
  1. 1.
    That branch of medicine which studies the incidence and distribution of disease in a population, and uses such information to find the causes, modes of transmission, and methods for control of disease.(Med.)