— epidemiological /ep'i dee'mee euh loj"i keuhl, -dem'ee-/ , adj. — epidemiologically , adv. — epidemiologist , n.
/ep'i dee'mee ol"euh jee, -dem'ee-/ , n.
the branch of medicine dealing with the incidence and prevalence of disease in large populations and with detection of the source and cause of epidemics of infectious disease.
[ 1870-75; EPIDEMI(C) + -O- + -LOGY ]