What's the difference between betrayer and rat?

Betrayer


Definition:

  • (n.) One who, or that which, betrays.

Example Sentences:

  • (1) "I know the man, and I know he betrays everyone who gets close to him," said one prominent Lebanese politician.
  • (2) The voice claiming to be Chávez says he is convalescing and his closest friends betrayed him.
  • (3) Asked by television reporters outside the church for comment on the officers’ decision to turn their backs, Lynch said: “The feeling is real, but today is about mourning, tomorrow is about debate.” Pressed on the point, Lynch said: “We have to understand the betrayal that they feel.
  • (4) Those Labour MPs plunging their party into an unwanted crisis are betraying not only the party itself but also our national interest at one of the most critical moments any of us can recall.
  • (5) It is a betrayal that will see thousands of young people decide that they cannot risk the debt that going to university would load them with.
  • (6) Plenty of people felt embarrassed, upset, outraged or betrayed by the Goncourts' record of things they had said or had said about them.
  • (7) Tories, for their part, claim that Lib Dems are betraying a promise to vote for the boundary review in return for being able to hold a national referendum on introducing a new alternative vote system last year.
  • (8) What I can say is that it was a disaster and a betrayal to Ludlam, and I can only apologise for not having been more proactive in defending him.
  • (9) You’re betraying the working class of Britain they tell me.
  • (10) A flawed heroine of the anti-apartheid struggle, she is unlikely to keep a low profile in the coming days or to bite her lip if she believes Mandela's memory is being betrayed.
  • (11) This is a man who has betrayed his country,” Kerry told CBS News .
  • (12) Couple this with the revelation that degrees might not even be worth the investment, and the sense of betrayal from those who have already graduated risks spilling over.
  • (13) Bill Gates betrayed his ailing business partner and tried to deprive him of his share of the Microsoft fortune, according to a scathing memoir from Paul Allen , the company's billionaire co-founder.
  • (14) Actually, I had betrayed the seriousness of what had happened, because my story ignored the fact that I had been genuinely frightened and in a degree of danger during the heckling.
  • (15) So maybe tiki-taka hasn't died, but Spain betrayed it by trying to play with a recognized striker, and then with whatever the hell Fernando Torres is."
  • (16) By the most generous standards it is a serious lapse if not a betrayal of the editorial professionalism on which the BBC's reputation has been built over generations.
  • (17) Far from being disgusted with her physicality, Ruskin – a rigorous Christian and idealist – felt anxious and subconsciously betrayed by the realisation that his love for Effie was a one-sided affair.
  • (18) Every detail of the dissolution honours betrayed contempt for the public.
  • (19) But she raised concerns that parents' fears over costs betray a lack of understanding of grants and loans available to students from less affluent homes, suggesting more should be done to explain all the options.
  • (20) For all the bad blood of the past year, for all the talk of betrayal, there remains the kernel of a progressive consensus.

Rat


Definition:

  • (n.) One of several species of small rodents of the genus Mus and allied genera, larger than mice, that infest houses, stores, and ships, especially the Norway, or brown, rat (M. decumanus), the black rat (M. rattus), and the roof rat (M. Alexandrinus). These were introduced into America from the Old World.
  • (n.) A round and tapering mass of hair, or similar material, used by women to support the puffs and rolls of their natural hair.
  • (n.) One who deserts his party or associates; hence, in the trades, one who works for lower wages than those prescribed by a trades union.
  • (v. i.) In English politics, to desert one's party from interested motives; to forsake one's associates for one's own advantage; in the trades, to work for less wages, or on other conditions, than those established by a trades union.
  • (v. i.) To catch or kill rats.

Example Sentences:

  • (1) All rats were examined in the conscious, unrestrained state 12 wk after induction of diabetes or acidified saline (pH 4.5) injection.
  • (2) It was tested for recovery and separation from other selenium moieties present in urine using both in vivo-labeled rat urine and human urine spiked with unlabeled TMSe.
  • (3) It is supposed that delta-sleep peptide along with other oligopeptides is one of the factors determining individual animal resistance to emotional stress, which is supported by significant delta-sleep peptide increase in hypothalamus in stable rats.
  • (4) The microsomal preparations from untreated Syrian golden hamster livers exhibited higher activities of N-demethylation towards the macrolide antibiotics, erythromycin and troleandomycin, than those from untreated and phenobarbital-treated rats.
  • (5) Phospholipid methylation in human EGMs is distinctly different from that in rat EGMs (Hirata and Axelrod 1980) in that the human activity is not Mg++-dependent, and apparent methyltransferase I activity is located in the external membrane surface.
  • (6) Biochemical, immunocytochemical and histochemical methods were used to study the effect of chronic acetazolamide treatment on carbonic anhydrase (CA) isoenzymes in the rat kidney.
  • (7) In conclusion, in S-rats a glucose-stimulated insulin release is accompanied by an increase in IBF, but this is not observed in P-rats.
  • (8) Competition with the labelled 10B12 MAb for binding to the purified antigen was demonstrated in sera of tumor-bearing and immune rats.
  • (9) Nutritionally rehabilitated animals had similar numbers of nucleoli to control rats.
  • (10) This study examined the [3H]5-HT-releasing properties of 3,4-methylenedioxymethamphetamine (MDMA) and related agents, all of which cause significant release of [3H]5-HT from rat brain synaptosomes.
  • (11) Addition of phospholipase A2 from Vipera russelli venom led to a significant increase in the activity of guanylate cyclase in various rat organs.
  • (12) Spontaneous locomotor activity was lower in naloxone-infused rats on day 3 only.
  • (13) The LD50 of the following metal-binding chelating drugs, EDTA, diethylenetriaminepentaacetic acid (DTPA), hydroxyethylenediaminetriacetic acid (HEDTA), cyclohexanediaminotetraacetic acid (CDTA) and triethylenetetraminehexaacetic acid (TTHA) was evaluated in terms of mortality in rats after intraperitoneal administration and was found to be in the order: CDTA greater than EDTA greater than DTPA greater than TTHA greater than HEDTA.
  • (14) We have investigated a physiological role of endogenous insulin on exocrine pancreatic secretion stimulated by a liquid meal as well as exogenous secretin and cholecystokinin octapeptide (CCK-8) in conscious rats.
  • (15) The subcellular distribution of sialyltransferase and its product of action, sialic acid, was investigated in the undifferentiated cells of the rat intestinal crypts and compared with the pattern observed in the differentiated cells present in the surface epithelium.
  • (16) However, the groups often paused less and responded faster than individual rats working under identical conditions.
  • (17) After 55 days of unrestricted food availability the body weight of the neonatally deprived rats was approximately 15% lower than that of the controls.
  • (18) To examine the central nervous system regulation of duodenal bicarbonate secretion, an animal model was developed that allowed cerebroventricular and intravenous injections as well as collection of duodenal perfusates in awake, freely moving rats.
  • (19) In the present investigation we monitored the incorporation of [14C] from [U-14C]glucose into various rat brain glycolytic intermediates of conscious and pentobarbital-anesthetized animals.
  • (20) Gel filtration of the 40,000 rpm supernatant fraction of a homogenate of rat cerebral cortex on a Sepharose 6B column yielded two fractions: fraction II with the "Ca(2+) plus Mg(2+)-dependent" phosphodiesterase activity and fraction III containing its modulator.

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