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Occurring at the same time among an unusually large number of animals in a particular geographic area. Used of a disease.
An epizootic disease.

ep′i·zo·ot′i·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Veterinary Science) (of a disease) suddenly and temporarily affecting a large number of animals over a large area
(Veterinary Science) an epizootic disease. Compare enzootic
ˌepizoˈotically adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌɛp ə zoʊˈɒt ɪk)

1. (of a disease) spreading quickly among animals. Compare enzootic (def. 1).
2. an epizootic disease.
[1740–50; < French épizootique, on the model of épidémique epidemic; see epi-, zoo-, -otic]
ep`i•zo•ot′i•cal•ly, adv.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

epizootic, epizooty

a disease affecting many animals at the same time; an epidemic amongst animals. — epizootic, adj.
See also: Animals
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.epizootic - (of animals) epidemic among animals of a single kind within a particular region; "an epizootic disease"
animal, animate being, beast, creature, fauna, brute - a living organism characterized by voluntary movement
epidemic - (especially of medicine) of disease or anything resembling a disease; attacking or affecting many individuals in a community or a population simultaneously; "an epidemic outbreak of influenza"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Epizootic hemorrhagic disease is an infectious, noncontagious viral disease of ruminants, transmitted by insects of the genus Culicoides; it mostly affects whitetailed deer and cattle.
This decision was made in view of the improvement in the epizootic situation of foot and mouth disease in Kyrgyzstan on February 11, the ministry said.
The faction said a complex epizootic and epidemiological situation is observed across Kazakhstan.
The measure is being undertaken in connection with the complicated epizootic situation with regard to animal disease across Europe.
"Then, the source of infection were goats from Greece, and we found the negative epizootic aspects of the free movement of goods between the member states of the European Union," Likov said.
The State Inspectorate for Phytosanitary and Veterinary Safety should equip 7 posts and 2 laboratories, will have to launch epizootic safety monitoring system.
Though one case of squirrel pox is by no means indicative of a large-scale epizootic risk, it is worth noting that in other species, in different geographic locations, this pathogen has reached epizootic proportions.
TEHRAN (FNA)- First case of African Swine Fever, a contagious epizootic disease that causes high mortality in the populations of domestic pigs, has been identified in Poland, the Polish Agriculture Ministry said.
Researchers in the field of termite biological control have tried for decades to isolate and formulate microbial agents that could spread within termite (Isoptera) groups so as to create an epizootic event and achieve successful biological control (Culliney & Grace 2000).
The Commission's investigation showed that ZT had no extra costs for providing a public service because it has sufficient spare capacity in addition to its normal operating capacity to keep in check an epizootic outbreak; consequently, it was not entitled to receive public support.
DEC recently confirmed that approximately 100 white-tailed deer found dead in Clarkstown, Rockland County, were killed by the virus Epizootic Hemorrhagic Disease (EHD).