EPIDEMIC
Ep`i*dem"ic, n. Etym: [Cf. Epidemy.]
1. (Med.)
Defn: An epidemic disease.
2. Anything which takes possession of the minds of people as an epidemic does of their bodies; as, an epidemic of terror.
EPIDEMICALLY
Ep`i*dem"ic*al*ly, adv.
Defn: In an epidemic manner.
EPIDEMIOGRAPHY
Ep`i*de`mi*og"ra*phy, n. Etym: [Epidemy + -graphy.] (Med.)
Defn: A treatise upon, or history of, epidemic diseases.
EPIDEMIOLOGICAL
Ep`i*de`mi*o*log"ic*al, a.
Defn: Connected with, or pertaining to, epidemiology.