epi·zo·ot·ic /ˌɛpəzəˈwɑtɪk/
  (a.)流行于家畜的家畜流行病
  epi·zo·ot·ic /ˌɛpəzəˈwɑtɪk/ 名詞
  家畜流行病性的
  Ep·i·zo·öt·ic a.
  1. Zoöl. Of or pertaining to an epizoön.
  2. Geol. Containing fossil remains; -- said of rocks, formations, mountains, and the like. [Obs.]
     Epizoötic mountains are of secondary formation.   --Kirwan.
  3. Of the nature of a disease which attacks many animals at the same time; -- corresponding to epidemic diseases among men.
  Ep·i·zo·öt·ic Ep·i·zo·ö·ty, n.
  1. A contagious disease which attacks many animals at the same time; an epizootic disease; an epidemic among animals.
  2. A murrain; an epidemic influenza among horses.
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  epizootic
       adj : (of animals) epidemic among animals of a single kind within
             a particular region; "an epizootic disease"