View your list of saved words. (You can log in using Facebook.)
Definition of REOVIRUS
: any of a family (Reoviridae) of double-stranded RNA viruses that have a virion with icosahedral structural symmetry but may appear spherical, that have a capsid with one to three concentric protein layers, and that include many plant or animal pathogens (as the rotaviruses and the causative agent of bluetongue)
: any of the family Reoviridae of double-stranded RNA viruses
Any of a small group of animal and plant viruses that appear spheroidal and contain a core of RNA. Among the best-known genera are Orthoreovirus, Orbivirus, Rotavirus, and Phytoreovirus. The first three infect animals; the last can destroy rice, corn, and other crops.