What's the difference between dummy and virtual?

Dummy


Definition:

  • (a.) Silent; mute; noiseless; as a dummy engine.
  • (a.) Fictitious or sham; feigned; as, a dummy watch.
  • (n.) One who is dumb.
  • (n.) A sham package in a shop, or one which does not contain what its exterior indicates.
  • (n.) An imitation or copy of something, to be used as a substitute; a model; a lay figure; as, a figure on which clothing is exhibited in shop windows; a blank paper copy used to show the size of the future book, etc.
  • (n.) One who plays a merely nominal part in any action; a sham character.
  • (n.) A thick-witted person; a dolt.
  • (n.) A locomotive with condensing engines, and, hence, without the noise of escaping steam; also, a dummy car.
  • (n.) The fourth or exposed hand when three persons play at a four-handed game of cards.
  • (n.) A floating barge connected with a pier.

Example Sentences:

  • (1) In a 20-week double-blind double-dummy crossover trial active treatment was given as two types of tablets providing daily doses of 600 micrograms organic selenium, 9000 IU beta carotene, 0.54 g vitamin C, 270 IU vitamin E and 2 g methionine.
  • (2) The usefulness of micronutrient antioxidant therapy for recurrent (non-gallstone) pancreatitis has recently been endorsed by a 20-week double-blind double-dummy cross-over trial in 20 patients.
  • (3) In spite of this fact, it has not been possible in this study to establish a significant correlation between previous dummy-sucking and the development of cross-bite in the permanent dentition.
  • (4) Second, in patients with combined hypertension and angina pectoris, fixed doses of labetalol (200 mg twice daily) gave the same blood pressure values, effort tolerance, and nitrate usage as did atenolol 100 mg once daily in a double-blind, double-dummy, crossover study.
  • (5) Daily Mail & General Trust could launch the title as soon as next weekend, with a dummy edition planned for this Sunday.
  • (6) The method consists in refining by least-squares the positions and thermal parameters of a set of dummy atoms placed in the initial low resolution electron density map, so as to minimize the discrepancy between the calculated scattering intensities and the scattering intensities observed in the high resolution data set.
  • (7) Inactive dummies with the same dimensions as the radioactive sources are loaded into the capsules before obtaining the orthogonal radiographs.
  • (8) No one in the United States has absolute power or an absolute right to do anything that violates the constitution This is American law for dummies, but Trump gives no indication of knowing its basic tenets.
  • (9) In a double-blind, double-dummy study, the efficacy of topical 5% EMLA cream was compared with that of lignocaine infiltration in alleviating the pain of arterial cannulation.
  • (10) Also claimed for buying a copy of Windows XP for Dummies.
  • (11) In a double-blind, placebo-controlled, double-dummy, randomized, parallel-group preliminary study, the antihypertensive efficacy and tolerability of the ACE inhibitor enalapril (20 mg day-1) and hydrochlorothiazide (50 mg day-1) were evaluated and compared for 4 weeks in 20 African patients with essential hypertension.
  • (12) The study was double-blind, with a double-dummy technique.
  • (13) The dummy pumps exerted no apparent behavioral or endocrine effects, whereas tonic immobility was significantly prolonged and circulating corticosterone concentrations significantly elevated at 4 and 11 days after implantation of the corticosterone minipumps.
  • (14) Last year’s exercises fuelled an unusually sharp and protracted surge in military tensions, with Pyongyang threatening a pre-emptive nuclear strike, and nuclear-capable US stealth bombers making dummy runs over the Korean peninsula.
  • (15) A double-blind, double-dummy, crossover study compared oral controlled-release morphine sulfate (MS Contin tablets [MSC], Purdue Frederick, Norwalk, CT) every 12 hours, and immediate-release morphine sulfate (IRMS) tablets, every 4 hours, in 14 evaluable patients with chronic cancer pain.
  • (16) A randomised, double blind, double dummy, cross over study was then carried out in 30 children to compare the effects of a 20 micrograms dose given through a nasal pipette, a 200 micrograms tablet, and a placebo.
  • (17) Campbell celebrated his second Premier League goal by sucking on a dummy hidden in his shorts, although he might have considered offering it to Özil, whose drive and execution made the goal at a moment when Arsenal were flat.
  • (18) In this paper, head baffle and head shadow effects were measured at a front-oriented and at a back-oriented microphone in a hearing aid casing when worn by human subjects and when placed on a dummy head.
  • (19) Double-blind, double-dummy, randomised, controlled, parallel group trial.
  • (20) This gaunt, haunting visage (which, in the story, turned out to belong to a deliberately frightening dummy) appeared in Star Trek's end credits almost every week, and was guaranteed to scare the shit out of me whenever it did so.

Virtual


Definition:

  • (a.) Having the power of acting or of invisible efficacy without the agency of the material or sensible part; potential; energizing.
  • (a.) Being in essence or effect, not in fact; as, the virtual presence of a man in his agent or substitute.

Example Sentences:

  • (1) Virtually every developed country has some form of property tax, so the idea that valuing residential property is uniquely difficult, or that it would be widely evaded, is nonsense.
  • (2) The Nazi extermination of Jews in Lithuania (aided enthusiastically by local Lithuanians) was virtually total.
  • (3) There was virtually no difference in a set of subtypic determinants between the serum and liver.
  • (4) We identified four distinct clinical patterns in the 244 patients with true positive MAI infections: (a) pulmonary nodules ("tuberculomas") indistinguishable from pulmonary neoplasms (78 patients); (b) chronic bronchitis or bronchiectasis with sputum repeatedly positive for MAI or granulomas on biopsy (58 patients, virtually all older white women); (c) cavitary lung disease and scattered pulmonary nodules mimicking M. tuberculosis infection (12 patients); (d) diffuse pulmonary infiltrations in immunocompromised hosts, primarily patients with AIDS (96 patients).
  • (5) Thin films (OD approximately 0.7) of glucose-embedded membranes, prepared as a control, showed virtually 100% conversion to the M state, and stacks of such thin film specimens gave very similar x-ray diffraction patterns in the bR568 and the M412 state in most experiments.
  • (6) The pathway of ketogenesis in renal cortex must differ from that of the liver, as beta-hydroxy-beta-methylglutaryl-CoA synthetase is virtually absent from the kidney.
  • (7) The diet increased the formation of a cholesterol-rich very low density lipoprotein (VLDL), decreased high density lipoprotein (HDL)-associated cholesterol and phospholipids, but had virtually no effect on low density lipoprotein (LDL)-lipids.
  • (8) Reconstituted freeze dried allogeneic skin grafts contained virtually no blood, a phenomenon possibly analogous to the 'no reflow' phenomenon of microsurgery.
  • (9) Endotoxin is virtually devoid of effects at the metastatic level.
  • (10) When collateral marginal vessels were eliminated, adjacent arterial blood flow decreased to control levels and venous flow virtually stopped.
  • (11) In contrast, the fast block by internal TEA+ appeared virtually independent of voltage.
  • (12) Mice homozygous for mutations at either locus exhibit several phenotypic abnormalities including a virtual absence of mast cells.
  • (13) Removal of bPTH by washing the membranes virtually abolished activity, but washing after addition of bPTH plus Gpp(NH)p did not prevent continued accumulation of cAMP.
  • (14) When this is done it is evident that virtually all the calculated risk can be attributed to naturally occurring carcinogens in the diet.
  • (15) "We were the ones with the most over-indebted banks, the most over-indebted households and we had the biggest budget deficit of virtually any country, anywhere in the world.
  • (16) At a dose comparable to that given in vivo, cellular proliferation and antibody production were virtually eliminated in a secondary response in vitro.
  • (17) This was a highly significant (p less than 0.0001) predictor of 5-year total mortality, whose ascertainment was virtually complete.
  • (18) Serum gamma-GT was virtually unaffected by Triton X-100 at a concentration of 5% whereas urinary gamma-GT was 10-15% activated under similar conditions.
  • (19) When each overburdened adviser has an average caseload of 168 people, it is virtually impossible for individuals to be given any specialised support or treatments tailored to particular needs.
  • (20) She said since then HMRC had created the largest virtual call centre in the world that enabled 20,000 HMRC staff to answer calls at any one time.