| Word | Definitions | Synonyms |
|---|---|---|
| enzootic | (adjective) of a disease that is constantly present in an animal community but only occurs in a small number of cases | - |
| epizootic | (adjective) (of animals) epidemic among animals of a single kind within a particular region | - |
| zootoxin | (noun) a toxin resembling bacterial toxins in its antigenic properties that is found in the fluids of certain animals | Synonyms: animal toxin |