What's the difference between teeter and tester?

Teeter


Definition:

  • (v. i. & t.) To move up and down on the ends of a balanced plank, or the like, as children do for sport; to seesaw; to titter; to titter-totter.

Example Sentences:

  • (1) Video games specialist Game was teetering on the brink of collapse on Friday after a rescue deal put forward by private equity firm OpCapita appeared to have been given the cold shoulder by lenders who are owed more than £100m.
  • (2) Slowing growth, financial fragility, governments teetering on the brink of insolvency and default, and clear signs of a public backlash against the excesses of the rich and powerful: all have created a sombre backdrop to the invitation-only affair.
  • (3) But did those people waking up on this day in January 100 years ago actually believe Britain was teetering on the brink of war?
  • (4) According to the then-city budget director, Peter Goldmark Jr, “Many people believe there is little or no real security or receivables behind these obligations.” Wall Street bankers, who had enabled much of this reckless behavior, now abruptly refused to take up any more of the city’s notes, leaving it teetering on the edge of bankruptcy.
  • (5) But "cliff-edge" households – perhaps as many as 3.6m in England alone – now find themselves teetering precariously on the brink of poverty.
  • (6) In reality, it is exacerbating Greece's contradictions, while Greece is teetering on the edge of a cliff.
  • (7) I gaze, bemused and, yes, fascinated, at curious anthropological artefacts such as Bride Wars or He's Just Not That Into You or Confessions of a Shopaholic, in which Kate Hudson or Ginnifer Goodwin or Isla Fisher play characters who might almost belong to a third gender, a bubble-headed one that emits ear-splitting shrieks, teeters constantly on the verge of hysteria and acts as an indiscriminate mouthpiece for the placement of overpriced tat.
  • (8) "Pakistan continues to teeter on non-governability … Pakistan's education lags behind Bangladesh's.
  • (9) To care for heart transplant recipients is to walk an endless tightrope, teetering between too little immunosuppression, and consequent rejection episodes, and too much immunosuppression, with its correlated infection and neoplasia risks.
  • (10) These are not the figures of a man teetering on the edge or an army on the brink of national humiliation.
  • (11) Mention of his alleged complicity appears to have set off Kasidiaris during the talk show appearance that has highlighted Greece's teetering position on the edge of dysfunction and despair.
  • (12) On the verge of defeat the yellow and green Fanatics in the crowd, forever teetering on the line between amusing and annoying, urged him “fight, Nicky, fight” and he did just that.
  • (13) Presence and the relation of the nerve endings with associated structures in the lund of Rattus rattus rufescens (Indian black rat) and Francolinus pondicerianus (grey partridge or safed teeter) has been studied by cholinesterase technique.
  • (14) After a night of tough bargaining, European leaders have appeared to salvage what had seemed to be a summit teetering toward failure by agreeing early on Friday to funnel money directly to struggling banks, and in the longer term to form a tighter union.
  • (15) When Raymond Schwab talks about his case, his voice teeters between anger and sadness.
  • (16) There is a palpable feeling in the country that the ruling junta has run out of ground, teetering on the precipice and threatening to take the country with it.
  • (17) Photograph: guardian.co.uk Seven months later, despite the economy teetering close to a triple dip recession, the Tories' 2% lead has now stretched to 7% with 29% preferring Cameron and Osborne and just 22% putting their faith in the Labour duo.
  • (18) IFS inequality chart IFS warns of biggest squeeze on pay for 70 years over Brexit Read more “These troubling forecasts show millions of families across the country are teetering on a precipice, with 400,000 pensioners and over one million more children likely to fall into poverty and suffer the very real and awful consequences that brings if things do not change.
  • (19) The sector's problems are set to continue in 2012 as shoppers continue to cut back on non-essential spending and the economy teeters on the edge of recession.
  • (20) Innervation of the pancreas with reference to blood vessels, pancreatic duct, and islets of Langerhans has been studied in Francolinus pondicerianus (grey partridge or safed teeter).

Tester


Definition:

  • (n.) A headpiece; a helmet.
  • (n.) A flat canopy, as over a pulpit or tomb.
  • (n.) A canopy over a bed, supported by the bedposts.
  • (n.) An old French silver coin, originally of the value of about eighteen pence, subsequently reduced to ninepence, and later to sixpence, sterling. Hence, in modern English slang, a sixpence; -- often contracted to tizzy. Called also teston.

Example Sentences:

  • (1) As compared with solvent-treated control, no significant increases were observed in the number of revertant colonies in all tester strains in both systems with and without mammalian metabolic activation (S9 Mix).
  • (2) Gamma-ray-induced reversions in the Ames Salmonella tester strain TA2638 have been studied for their dependence on a number of experimental parameters.
  • (3) In addition to the fatigue tester and the pulse duplicator, a signal conditioner, a DC amplifier, an analog-to-digital converter, and a digital microcomputer comprised the essential hardware.
  • (4) Exogenous IC-DH in the incubation for LMA did not alter the mitotic crossing-over and the mitotic gene conversion of dimethylnitrosamine (DMNA) and AR2MNFN (a nitroimidazo[2,1-b]thiazole) in the tester D7 strain of Saccharomyces cerevisiae.
  • (5) These results suggest that nickel is unable to induce basepair or frameshift mutations in Salmonella tester strains and are discussed in relationship to the low binding affinity of Ni(II) for DNA.
  • (6) In Drosophila melanogaster new tester strains for the somatic mutation and recombination test (SMART) in the wing were constructed with the aim of increasing the metabolic capacity to activate promutagens.
  • (7) Vibratory sensitivity was strongly related to height when measurements were made with either the vibration sensitivity tester (P = .02) or the biothesiometer (P less than .01); however, there was no relation between thermal sensitivity (as measured with the thermal sensitivity tester) and height.
  • (8) Trials with Escherichia coli ATCC and Staphylococcus aureus ATCC strains have been carried out using a point-acting tester as generator of negative oxygen ions.
  • (9) In addition, the depression of prophage induction observed when the drugs were combined with aflatoxin B1 may be indicative of a common target site of action in the tester strains.
  • (10) The newly engineered acetyltransferase-enhanced Salmonella tester strain YG1024 (TA98(pYG219] demonstrated greatly enhanced sensitivity to the mutagenicity of 2,4-DAT.
  • (11) A study was conducted to evaluate the potential of the Testark system in comparison with a commercially available pulp tester.
  • (12) The stiffness tester and torque meter were found to yield nearly the same measurements of bending deformation for orthodontic wires as small as .007 inch diameter, provided the different bending apparatus are calibrated to each other.
  • (13) Results establish a revised expression for Young's modulus and show that either the stiffness tester or the torque meter will yield essentially the same measured values of bending properties.
  • (14) These findings indicate the necessity for using the same tester when effects of treatment are evaluated.
  • (15) To aid linkage analysis and mapping studies in Dictyostelium discoideum, we have constructed several tester strains with easily scored mutations characterizing the six currently identified linkage groups.
  • (16) Chromotest agar dishes yielded optimal results after 16-18 h incubation, presumably because of the agar growth characteristics of tester strain PQ37.
  • (17) The two strains were crossed individually to normal sequence tester strains and the sizes of the proximal and distal segments were followed by pulsed-field gel electrophoresis.
  • (18) Despite the strong, positive mutagenic response of fecanpentaenes using Ames tester strains TA 98 and TA 100, no increase in nuclear aberrations, taken as a measure of genotoxicity in colonic epithelial cells, was observed over control levels.
  • (19) The deficience can be restored, giving respiratory sufficience, in crosses with rho0 testers.
  • (20) The mutants have also been crossed to mit- testers with defined genetic lesions.