noun \ˌrē-ō-ˈvī-rəs\

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)

Origin of REOVIRUS

respiratory enteric orphan (i.e., unidentified) virus
First Known Use: 1959


noun \ˌrē-ō-ˈvī-rəs\   (Medical Dictionary)

Medical Definition of REOVIRUS

: any of the family Reoviridae of double-stranded RNA viruses
reo·vi·ral \-rəl\ adjective


noun    (Concise Encyclopedia)

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.


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