zoonosisEnglishOxford New American Dictionaryzoonosis /zo͞oˈnōsəs, , zuˈnoʊsəs , zōˈnōsəs, zoʊˈnoʊsəs / ▸ noun (plural zoonoses /-ˌsēz/) a disease which can be transmitted to humans from animals. – DERIVATIVES zoonotic /ˌzōəˈnätik/ adjective– ORIGIN late 19th century : from zoo- ‘of animals’ + Greek nosos ‘disease’.