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n. pl. ro·ta·vi·rus·es
Any of a genus of wheel-shaped reoviruses, including one that causes gastroenteritis, especially in infants and newborn animals.
(Pathology) any member of a genus of viruses that cause worldwide endemic infections. They occur in birds and mammals, cause diarrhoea in children, and are usually transmitted in food prepared with unwashed hands
ro•ta•vi•rus(ˈroʊ təˌvaɪ rəs)
n., pl. -rus•es.
a double-stranded RNA virus of the genus Rotavirus, family Reoviridae, that is a major cause of infant diarrhea.
[1974; < Latin rota wheel + virus]