What's the difference between demonstrate and pretend?

Demonstrate


Definition:

  • (v. t.) To point out; to show; to exhibit; to make evident.
  • (v. t.) To show, or make evident, by reasoning or proof; to prove by deduction; to establish so as to exclude the possibility of doubt or denial.
  • (v. t.) To exhibit and explain (a dissection or other anatomical preparation).

Example Sentences:

  • (1) The Na+ ionophore, gramicidin, had a small but significant inhibitory effect on Na(+)-dependent KG uptake, demonstrating that KG uptake was not the result of an intravesicular positive Na+ diffusion potential.
  • (2) Patient plasma samples demonstrated evidence of marked complement activation, with 3-fold elevations of C3a desArg concentrations by the 8th day of therapy.
  • (3) The influence of the various concepts for the induction of lateral structure formation in lipid membranes on integral functional units like ionophores is demonstrated by analysing the single channel current fluctuations of gramicidin in bimolecular lipid membranes.
  • (4) Of the patients 73% demonstrated clinically normal sensibility test results within 23 days after operation.
  • (5) Lucy and Ed will combine coverage of hard and breaking news with a commitment to investigative journalism, which their track record so clearly demonstrates”.
  • (6) These immunocytochemical studies clearly demonstrated that cells encountered within the fibrous intimal thickening in the vein graft were inevitably smooth muscle cell in origin.
  • (7) Competition with the labelled 10B12 MAb for binding to the purified antigen was demonstrated in sera of tumor-bearing and immune rats.
  • (8) Using monoclonal antibodies directed against the plasma membrane of Madin-Darby canine kidney (MDCK) cells, we demonstrated previously that a glycoprotein with an Mr = 23,000 (gp23) had a non-polarized cell surface distribution and was observed on both the apical and basolateral membranes (Ojakian, G. K., Romain, R. E., and Herz, R. E. (1987) Am.
  • (9) These results demonstrate that increased availability of galactose, a high-affinity substrate for the enzyme, leads to increased aldose reductase messenger RNA, which suggests a role for aldose reductase in sugar metabolism in the lens.
  • (10) Intravesical BCG is clearly superior to oral BCG, and controlled studies have demonstrated that percutaneous administration is not necessary.
  • (11) We have previously shown that serotonin is present in secretory granules of frog adrenochromaffin cells; concurrently, we have demonstrated that serotonin is a potent stimulator of corticosterone and aldosterone secretion by adrenocortical cells.
  • (12) Microionophoretically applied excitatory amino acids induced firing of extracellularly recorded single units in a tissue slice preparation of the mouse cochlear nucleus, and the similarly applied antagonist 2-amino-5-phosphonovalerate (2APV) was demonstrated to be a selective N-methyl-D-aspartate (NMDA) receptor antagonist.
  • (13) The results demonstrated that K2PtCl4 was bound to a greater degree than CDDP in this system with 3-5 and 1-2 platinum atoms respectively, bound per transferrin molecule.
  • (14) These studies, in addition to demonstrating that the placenta contains TRH deamidase activity, suggest that losses of fetal TRH through the placenta are not large.
  • (15) Light microscopic studies of pancreata from mice sacrificed at this time demonstrated insulitis and beta cell necrosis.
  • (16) Western blot analysis of these mitochondria using an antibody against carnitine palmitoyltransferase II purified from beef heart demonstrates a 68-kDa protein, which under ischemic conditions apparently is decreased by 2 kDa.
  • (17) Acquired drug resistance to INH, RMP, and EMB can be demonstrated in M. kansasii, and SMX in combination with other agents chosen on the basis of MIC determinations are effective in the treatment of disease caused by RMP-resistant M. kansasii.
  • (18) In 1 of the 3, anterior capsular detachment was also demonstrated radiographically and confirmed surgically.
  • (19) This result demonstrates that branching enzyme belongs to a family of the amylolytic enzymes.
  • (20) Histological studies of nerves 2 years following irradiation demonstrated loss of axons and myelin, with a corresponding increase in endoneurial, perineurial, and epineurial connective tissue.

Pretend


Definition:

  • (v. t.) To lay a claim to; to allege a title to; to claim.
  • (v. t.) To hold before, or put forward, as a cloak or disguise for something else; to exhibit as a veil for something hidden.
  • (v. t.) To hold out, or represent, falsely; to put forward, or offer, as true or real (something untrue or unreal); to show hypocritically, or for the purpose of deceiving; to simulate; to feign; as, to pretend friendship.
  • (v. t.) To intend; to design; to plot; to attempt.
  • (v. t.) To hold before one; to extend.
  • (v. i.) To put in, or make, a claim, truly or falsely; to allege a title; to lay claim to, or strive after, something; -- usually with to.
  • (v. i.) To hold out the appearance of being, possessing, or performing; to profess; to make believe; to feign; to sham; as, to pretend to be asleep.

Example Sentences:

  • (1) His anti-politics act may just be a shtick – pretending he's still on Have I Got News for You, satirising politics even though he's right at the centre of it – but it liberates him from the usual constraints.
  • (2) "Obviously [writers in translation] have a disadvantage and there's no sense pretending they don't, of being read in translation," said Gekoski.
  • (3) Tony Abbott pretended to support the renewable energy industry before the election but is now “launching a full-frontal attack” according to Labor’s environment spokesman Mark Butler.
  • (4) The Telegraph's secret taping of Cable and fellow Liberal Democrat ministers while pretending to be concerned constituents has raised eyebrows in some media quarters, but the newspaper has claimed a "clear public interest" defence for its actions.
  • (5) It is hard to tell who has really suffered, and who is only pretending.
  • (6) Respecting the frequency of invalidity this cancer pretends the second place among these diseases.
  • (7) When this parliament votes for another referendum as it inevitably will, thanks to the perpetual crutch that the Greens provide, let’s not pretend it reflects the will of the Scottish people, because it doesn’t.
  • (8) Non-doms could no longer pretend to live in Monaco while living in the UK for four working days a week.
  • (9) But equally, you’re ignoring how these people feel if you try and pretend they don’t feel their area is changing.
  • (10) Additionally, the Schmidt-Furlow investigators looked at instances where female interrogators had fondled prisoners, or pretended to splash menstrual blood upon them.
  • (11) Stewart Lee with a mask made of meat, pretending to be Canadian?
  • (12) Yes, there are other reasons why a boy might take a clock out of its casing & pretend he’d made it.
  • (13) It would be idle to pretend that Cameron doesn't have talents as a leader.
  • (14) Their leaders are charging round the country pretending they are going to get an overall majority, but in their heart of hearts they know it is not true, you can see it in their eyes.” The deputy prime minister, whose party has been in coalition with the Conservatives since 2010, said the next question for the public was “that since neither David Cameron or Ed Miliband are going to walk into Downing Street on their own, who is it the voters want at their side”.
  • (15) By pretending to ignore the scientific evidence, AquaBounty is doing readers a disservice.
  • (16) Pro-Europeans don't do themselves any favours by trying to pretend that it didn't happen.
  • (17) Indeed watching the prime minister singling out unemployed youngsters for uniquely punitive measures while pretending it is for their own good, cheered on by a gang of braying chums, it looks less like the behaviour of a national statesman and more like the petty vindictiveness of a schoolyard bully.
  • (18) And he must not pretend to be ignorant of the consequences of continuing to burn coal or take refuge in a "carbon cap" or some "target" for future emission reductions.
  • (19) During the collection of a one-hour spontaneous language sample from each child the experimenter pretended 20 times not to understand and asked, "What?"
  • (20) He would go around the communities and pretend to have a conversation with people but really his eyes were on the children playing," she says.