| rodent | 1. <medicine> Gnawing; biting; corroding; applied to a destructive variety of cancer or ulcer. 2. <zoology> Gnawing. Of or pertaining to the Rodentia. Origin: L. Rodens, -entis, p. Pr. Of rodere to gnaw. See Rase, and cf. Rostrum. <zoology> One of the Rodentia. Source: Websters Dictionary (01 Mar 1998) |
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| rodent control | The reduction or regulation of the population of noxious, destructive, or dangerous rodents through chemical, biological, or other means. (12 Dec 1998) |
| rodent diseases | Diseases of rodents of the order rodentia. This term includes diseases of sciuridae (squirrels), geomyidae (gophers), heteromyidae (pouched mice), castoridae (beavers), cricetidae (rats and mice), muridae (old world rats and mice), erethizontidae (porcupines), and caviidae (guinea pigs). (12 Dec 1998) |
| rodent ulcer | An obsolete term for a slowly enlarging ulcerated basal cell carcinoma, usually on the face. (05 Mar 2000) |
| rodentia | <zoology> An order of mammals having two (rarely four) large incisor teeth in each jaw, distant from the molar teeth. The rats, squirrels, rabbits, marmots, and beavers belong to this order. The incisor teeth are long, curved, and strongly enameled on the outside, so as to keep a cutting edge. They have a persistent pulp and grow continuously. Origin: NL. See Rodent. Source: Websters Dictionary (01 Mar 1998) |
| rodenticide | <chemistry> Any chemical used to kill rodents (rats, mice, etc.) (17 Dec 1997) |
| rodenticides | Substances used to destroy or inhibit the action of rats, mice, or other rodents. (12 Dec 1998) |