ˈrüˌbärt(h)s- noun
Usage: usually capitalized R
Etymology: after C. Sven Rubarth b 1905 Swedish veterinarian
: a highly fatal febrile virus hepatitis of dogs marked by shivering, incoordination, spasms, and collapse accompanied by engorgement of visceral blood vessels and edema and cloudy swelling of liver, spleen, and lymph nodes