See: Cotton rat.

See: Rice rat.

1812, "to desert one's party; 1864 as "to catch rats;" 1910 as "to peach on, inform on, behave dishonestly toward;" from rat (n.). Related: Ratted; ratting.

late Old English ræt "rat," of uncertain origin. Similar words are found in Celtic (Gaelic radan), Romanic (Italian ratto, Spanish rata, French rat) and Germanic (Old Saxon ratta; Dutch rat; [..]

Rock Abrasian Tool

any of various long-tailed rodents similar to but larger than a mouse desert one's party or group of friends, for example, for one's personal advantage employ scabs or strike b [..]

an animal like a large mouse, with long sharp teeth

Short for Remote Access Trojan, a Trojan horse that provides the intruder, or hacker, with a backdoor into the infected system. This backdoor allows the hacker to snoop your system, use your infected [..]

shtosher

rats

To dream of rats, denotes that you will be deceived, and injured by your neighbors. Quarrels with your companions is also foreboded. To catch rats, means you will scorn the baseness of others, and worthily outstrip your enemies. To kill one, denotes your victory in any contest. See Mice.   

remote(ly) activated Trojan

PCB in Pivat cores

(n) any of various long-tailed rodents similar to but larger than a mouse(n) someone who works (or provides workers) during a strike(n) a person who is deemed to be despicable or contemptible(n) one w [..]

The Egyptians and Phrygians deified rats. The people of Basso’ra and Cambay to the present time forbid their destruction. In Egypt the rat symbolised “utter destruction;” it [..]

To forsake a losing side for the stronger party. It is said that rats forsake ships not weatherproof. A rat is one who rats or deserts his party. Hence workmen who work during a strike are called & [..]

A purse. Hence, a young boy thief is called a Raton. A sort of pun on the word rapt from the Latin rapto, to carry off forcibly. Courir le rat, to rob or break into a house at night-time.

The Rat, i.e. Rat-cliff; the Cat, i.e. Cat-esby; and Lovel the dog, is Francis, Viscount Lovel, the king’s “spaniel.” The hog or boar was the crest of Richard III. William C [..]

rat lines rat list rat's nest A rat is a symbolic visual representation of an unconnected electrical connection - i.e. something in the netlist which doesn’t exist as a trace yet. It’s called a r [..]

slang for big block Chevrolet engine.

A slang term used to describe any fish that is very small

The common name for the genus Rattus.

Genetically identical individuals developed from brother and sister matings which have been carried out for twenty or more generations or by Parent x offspring matings carried out with certain restric [..]

Mutant strains of Rats that produce little or no Hair. Several different homozygous recessive Mutations can cause Hairlessness in Rats including rnu/rnu (Rowett nude), fz/fz (fuzzy), shn/shn (shorn), [..]

A strain of Rattus norvegicus which is a model for spontaneous Insulin-Dependent Diabetes Mellitus (Diabetes Mellitus, Insulin-Dependent).

A Cinnamon-colored strain of Long-Evans Rats which carries a Mutation causing fulminant Hepatitis and Jaundice, with an associated gross accumulation of Copper in the liver. This strain is a model for [..]

Any of several burrowing Rodents of the Families Muridae and Bathyergidae, found in eastern Europe, Africa, and Asia. They have short limbs, small eyes with permanently closed lids, and no tail. Three [..]

Rats bearing mutant Genes which are phenotypically expressed in the Animals.

A mutant strain of Rattus norvegicus without a Thymus and with depressed or absent T-Cell function. This strain of Rats may have a small amount of Hair at times, but then lose it.

An inbred strain of Long-Evans Rats that develops Hyperglycemia, Hyperinsulinemia, and mild Obesity, mostly in males, that resembles Non-Insulin-Dependent Diabetes Mellitus in Humans. It was developed [..]

A strain of Rattus norvegicus with elevated Blood Pressure used as a model for studying Hypertension and Stroke.

Laboratory Rats that have been produced from a genetically manipulated rat EGG or rat Embryo, Mammalian. They contain Genes from another species.

A strain of Rattus norvegicus used as a normotensive control for the spontaneous hypertensive Rats (SHR).

Rats bred specifically to follow set standards and to be good pets. (Pet stores often label colorful rats as fancy and albinos or black rats as feeders, but this labeling is used incorrectly.) Rat, feeder:

Rats bred for the use of experimentation or scientific observation. (Same species as feeder and fancy rats.) Rat, Norway:

Any domestic rat being kept as a pet. Recessive:

Ram Air Turbine

Inform

a member who violates Omertà; synonyms: squealer, canary, snitch, stool pigeon, yellow dog.

n. "rat," s.v. rat sb.\1 OED. KEY: rat@n

n 2 rattes 2

Ram-Air Turbine

Ram Air Turbine. (Also known as "Emergency Power Pack" and other terms, but "RAT" is obviously more colorful.) In the case of electrical or hydraulic failure, this small turbine ca [..]

A strategy in which heroes avoid 5-man teamfights, and focus on pushing other lanes instead.

Ram air turbine.

(zoology) A medium-sized rodent belonging to the genus ''Rattus''. *en|traitor (''see for more synonyms'') *en|stool pigeon

The first of the 12-year cycle of animals which appear in the Chinese zodiac related to the Chinese calendar. ----

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