<epidemiology> Occurring suddenly in numbers clearly in excess of normal expectancy, said especially of infectious diseases but applied also to any disease, injury or other health related event occurring in such outbreaks.

Compare: endemic, sporadic.

Origin: Gr. Epidemios = prevalent

(13 Nov 1997)

epicycle, epicycloid, epicystitis, epicyte < Prev | Next > epidemical, epidemic benign dry pleurisy

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