n.
Pronunciation: ˌ e-p ə -z ə - ' wä-tik, -z ō - ' ä-
Function: noun
Etymology: French épizootique, from épizootie such an outbreak, from épi- (as in épidemie epidemic) + Greek z ō iot ē s animal nature, from z ō ē life ― more at QUICK
Date: 1748
: an outbreak of disease affecting many animals of one kind at the same time also : the disease itself
– epizootic adjective