rhinopneumonitis
noun
rhi·no·pneu·mo·ni·tis
| \ ˌrī-nō-ˌn(y)ü-mə-ˈnīt-əs
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Medical Definition of rhinopneumonitis
: an acute febrile respiratory disease of horses that is caused by two herpesviruses of the genus Varicellovirus (species Equid herpesvirus 1 and Equid herpesvirus 4), that is characterized especially by rhinopharyngitis and tracheobronchitis, and that sometimes causes abortion in pregnant mares