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1. an order of mammals characterized by large chisel-shaped incisors, including the rats, mice, and squirrels, many of which are reservoirs for infectious diseases.
2. gnawing; corroding.
Any of various mammals of the order Rodentia, such as a mouse, rat, squirrel, or beaver, characterized by large incisors used for gnawing or nibbling.
rodentInfectious disease A mammal of order Rodentia–eg, mice, rats, squirrels, gerbils, chipmunks, voles, moles, et al Vectors for Argentine hemorrhagic fever, Bolivian hemorrhagic fever, endemic typhus, Francisella tularensis, Hantavirus pulmonary syndrome, Helicobacter cinaedi, hemorrhagic fever with renal syndrome, Hymenolepsis diminuta, Hymenolepsis nana, Lassa fever, leptospirosis, listeriosis, lymphocytic choriomeningitis, Ornithonyssus bacoti-induced dermatitis, plague, rabies, rickettsialpox, salmonellosis, Spirillum minus, Streptobacillus moniliformis, tick-borne relapsing fever, Trichophyton mentagrophytes, Venezuelan hemorrhagic fever, Yersinia enterocolitica
rodentany member of the mammalian order Rodentia, including gnawing mammals which have chisel-like incisors and lack canines. Examples include rats, mice, squirrels.
a member of the order Rodentia. Includes rats and mice and allied species, the squirrels and beavers, the porcupines and their related species, and the African mole rat in four separate suborders.
see eosinophilic ulcer.