What's the difference between challenger and competitor?

Challenger


Definition:

  • (n.) One who challenges.

Example Sentences:

  • (1) Bronchial challenge caused an immediate asthmatic response.
  • (2) When chimeric animals were subjected to a lethal challenge of endotoxin, their response was markedly altered by the transferred lymphoid cells.
  • (3) This frees the student to experience the excitement and challenge of learning and the joy of helping people.
  • (4) The degree of increase in Meth responsiveness elicited by the initial provocation is a major factor in determining the airway response to a subsequent HS challenge.
  • (5) Intranasal challenge of allergic subjects with the allergen to which they are sensitive rapidly produces sneezing, rhinorrhea, and airway obstruction.
  • (6) Matthias Müller, VW’s chief executive, said: “In light of the wide range of challenges we are currently facing, we are satisfied overall with the start we have made to what will undoubtedly be a demanding fiscal year 2016.
  • (7) In 1935, Einstein challenged the prevailing interpretation of quantum theory.
  • (8) A shrinking populace is perhaps a greater challenge than any problems with Russia.
  • (9) Intraperitoneal injection of indomethacin to pretreated animals resulted in increased levels of IL-1 and TNF and decreased levels of PGE2 following challenge with E. coli.
  • (10) Think of Nelson Mandela – there is a determination, an unwillingness to bend in the face of challenges, that earns you respect and makes people look to you for guidance.
  • (11) The children's pulse, pulse rate variability, and blood pressure were then measured at rest and during a challenging situation.
  • (12) At first it looked as though the winger might have shown too much of the ball to the defence, yet he managed to gain a crucial last touch to nudge it past Phil Jones and into the path of Jerome, who slipped Chris Smalling’s attempt at a covering tackle and held off Michael Carrick’s challenge to place a shot past an exposed De Gea.
  • (13) The results support the notion that mediator lymphocytes circulate in tumor immunized rats in a noncytotoxic state, specifically recognize tumor cells at a challenge site, and mediate induction of effector cells locally.
  • (14) The role of blood acetylcholinesterase in moderating the effects of organophosphate challenge in rats was tested.
  • (15) In the first trial to investigate the effect of tick control, significant improvements in liveweight gain (LWG) occurred only in periods of medium to high challenge with adult Amblyomma variegatum.
  • (16) The SNT and the I-ELISA indicated that the pigs responded to vaccination and challenge.
  • (17) When caffeine evokes a contraction, and only then, crayfish muscle fibers become refractory to a second challenge with caffeine for up to 20 min in the standard saline (5 mM K(o)).
  • (18) This observation seriously challenges the hypothesis that SCE cancellation results as a consequence of persistence of the lesions induced by these agents.
  • (19) Injection of about four ImD 50 of vaccine intracerebrally produced a local immunity, resulting in an immediate kill of challenge organisms given 14 days later.
  • (20) There was no correlation between anti-TNP-precipitating antibody titer after sensitization and the ability to respond to challenge by hapten-heterologous carrier.

Competitor


Definition:

  • (n.) One who seeks what another seeks, or claims what another claims; one who competes; a rival.
  • (n.) An associate; a confederate.

Example Sentences:

  • (1) Mieko Nagaoka took just under an hour and 16 minutes to finish the race as the sole competitor in the 100 to 104-year-old category at a short course pool in Ehime, western Japan , on Saturday.
  • (2) That the BBC has probably not been as vulnerable since the 1980s is also true – not least because the enemies of impartiality are more powerful, and the BBC's competitors (maimed after a year's exposure of their own behaviour in the Leveson inquiry ) are keen to wreck it.
  • (3) It’s likely Xi’s brand of smart authoritarianism will keep not just his party in power but the whole show on the road If all this were to succeed as intended, western liberal democratic capitalism would have a formidable ideological competitor with worldwide appeal, especially in the developing world.
  • (4) CyIIIa.CAT) expression simultaneously in embryos bearing excess competitor regulatory DNA, we developed, and here describe, a new procedure for generating transgenic sea urchin embryos in which all of the cells in many embryos, and most in others, bear the exogenous DNA.
  • (5) Analysis of these human competitor proteins with homologous assay systems of viral core proteins and corresponding antisera showed that all, including the normal tissue extracts, appear similar to core proteins of known viruses, especially the RD 114 and woolly monkey species.
  • (6) The company lagged "far behind its major competitors, with zero reporting of its energy or environmental footprint to any source or stakeholder", the report said.
  • (7) These differences in hormonal responses to the fight are attributed to the more aggressive behavior displayed by the victorious opponents (winners) over their defeated competitors (losers).
  • (8) While it has not dominated the enormous mobile phone market in terms of sales – Apple has sold 41m handsets in three years, the same number Nokia sells in a month – it has won much of the more lucrative smartphone market, and drove its competitors to develop their own touchscreen handsets.
  • (9) Presenting his last set of results after 40 years with Britain 's largest mutual, Marks described 2012 as a "challenging year" but insisted that progress was being made on the Lloyds deal, which would triple the Co-op's branch network and transform the group into a major competitor to the big four banks.
  • (10) It also investigated the film market, looking at whether BSkyB's closer relationship with News Corp – which also owns the Hollywood studio 20th Century Fox – might enable it to buy up movies from the major US producers in order to prevent them being acquired by Sky's competitors.
  • (11) If backloading is not approved, this "floor price" could mean that UK businesses pay more for their emissions than continental European competitors.
  • (12) These results indicate that the use of serially diluted BPDE-DNA of high modification as standard competitor in the ELISA will lead to erroneous results in the measurement of adducts in DNAs modified to a low extent (biological samples).
  • (13) The region doesn't need more airport capacity; London already has more flights to the world's top business centres than any of its European competitors."
  • (14) It was clear, too, that they would need the kind of government support available to their competitors in countries such as Germany.
  • (15) Kinetics, and the effect of competitors as well as of specific inhibitors show this enzyme to be identical to the well-known kidney gamma-glutamyltranspeptidase ((gamma-glutamyl)-peptide:amino-acid gamma-glutamyltransferase, EC 2.3.2.2).
  • (16) In order to investigate the relationship between the origin-binding domain and the second region, we performed origin-specific DNA binding assays with increasing amounts of calf thymus DNA as competitor.
  • (17) Roberts said: "We are recognised as a stand out competitor within the IPO queue.
  • (18) If we can get the Bank of England to fund the banking system, why don’t we get them to build us a proper broadband system as modern and efficient as you’ve got in many of our competitors,” Livingstone said.
  • (19) In September it set up it's own union – the Social Workers Union – but denied it was a competitor to other trade unions.
  • (20) Studies in several types of animal models, especially cholesterol-fed rabbits, have shown that calcium competitors, calcium chelators, anticalcifying agents, and calcium channel blockers can reduce the accumulation of atherogenic lesion components and thus apparently decrease the progression of lesions.