rat

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rat

(rat),
A rodent of the genus Rattus (family Muridae), involved in the spread of some diseases, including bubonic plague.

rat

(răt)
n.
a. Any of various long-tailed rodents resembling mice but larger, especially one of the genus Rattus.
b. Any of various animals similar to one of these long-tailed rodents.

RAT

Abbreviation for:
radiation therapy
recombinant human antithrombin
Remuneration And Terms (of service committee)
rheumatoid arthritis test
right atrial tachycardia

rat

Infectious disease A rodent, genus Rattus, which is a vector and/or reservoir of disease–eg, Bunyaviridae, black plague, rat-bite fever Vox populi A dishonorable person. See Lab rat, Weasel.

rat

(rat)
A rodent of the genus Rattus, a widespread predator and pest that attacks wild and domestic animals, consumes or damages crops and stored foodstuffs, and is involved in transmission of diseases (e.g., intestinal parasites, plague, typhus, rat-bite fever) to humans; laboratory rats belong to albino strains of the Norway rat, R. norvegicus.
References in periodicals archive ?
Wolfshiem, the Jew, on the other hand, has tiny ratlike eyes that glance furtively around the room and seem to stand out in the darkness.
It is a satirical novel about a diplomat whose ratlike tail is the physical manifestation of his moral dissolution.
Cambert, on the other hand, leads a ratlike existence in tunnels and subterranean passages beneath the seats of totalitarian power in the twilight days of the GDR.
* Safety Belt Tails: An opossum uses its ratlike tail as a safety belt.
Of course, there was Boone, a ratlike little dog a roommate had given him.
To the bottom they came, and then, their course blocked, ratlike desperation taking the place of their usual skulking natures, they swept forward in attack, five against one.
But you'd think there'd have been a tail (left)," she said, referring to the wallaby's long, ratlike tail that a dog or cougar would probably not digest.
He is followed closely by Sugman, whose creepy presence builds on his leading role in Slovenian Oscar entry "Headnoise," and Bozic's ratlike Lojz.