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rot.
Rota
rota
rotable
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rotavirus

ro·ta·vi·rus [ rṓtə vrəss ] (plural ro·ta·vi·rus·es)


noun 
Definition:
 
virus causing gastroenteritis: a wheel-shaped RNA virus that causes gastroenteritis, especially in infants

[Late 20th century. < modern Latin< Latin rota "wheel" + virus "poison, virus"]
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