What's the difference between problem and rub?

Problem


Definition:

  • (n.) A question proposed for solution; a matter stated for examination or proof; hence, a matter difficult of solution or settlement; a doubtful case; a question involving doubt.
  • (n.) Anything which is required to be done; as, in geometry, to bisect a line, to draw a perpendicular; or, in algebra, to find an unknown quantity.

Example Sentences:

  • (1) The evidence suggests a multifactorial etiology for this problem.
  • (2) Technical factors that account for increased difficulty in these patients include: problems with guide catheter impaction and ostial trauma; inability to inflate the balloon with adequate guide catheter support; and need for increased intracoronary manipulation.
  • (3) Tests showed the cells survive and function normally in animals and reverse movement problems caused by Parkinson's in monkeys.
  • (4) IgE-mediated acute systemic reactions to penicillin continue to be an important clinical problem.
  • (5) Recent data collected by the Games Outcomes Project and shared on the website Gamasutra backs up the view that crunch compounds these problems rather than solving them.
  • (6) This is a fascinating possibility for solving the skin shortage problem especially in burn cases.
  • (7) The results of the evaluation confirm that most problems seen by first level medical personnel in developing countries are simple, repetitive, and treatable at home or by a paramedical worker with a few safe, essential drugs, thus avoiding unnecessary visits to a doctor.
  • (8) Hoursoglou thinks a shortage of skilled people with a good grounding in core subjects such as maths and science is a potential problem for all manufacturers.
  • (9) Despite of the increasing diagnostic importance of the direct determination of the parathormone which is at first available only in special institutions in these cases methodical problems play a less important part than the still not infrequent appearing misunderstanding of the adequate basic disease.
  • (10) Inadequate treatment, caused by a lack of drugs and poorly trained medical attendants, is also a major problem.
  • (11) Other articles in the series will look at particular legal problems in the dental specialties.
  • (12) The problem of treatment oneside malocclusions of adult patients needs to concern of anchorange.
  • (13) This exploratory survey of 100 patients with rheumatoid arthritis (RA) was conducted (1) to learn about the types and frequencies of disability law-related problems encountered as a result of having RA, and (2) to assess the respective relationships between the number of disability law-related problems reported and the patients' sociodemographic and RA disease characteristics.
  • (14) Psychiatry unlike philosophy (with its problem of solipsism) recognizes the existence of other minds from the nonverbal communication between doctor and patient.
  • (15) The evidence suggests that by the age of 15 years many adolescents show a reliable level of competence in metacognitive understanding of decision-making, creative problem-solving, correctness of choice, and commitment to a course of action.
  • (16) Many problems at the macroscopic level require clarification of how an animal uses a compartment of suite of muscles and whether morphological differences reflect functional ones.
  • (17) Fourteen representative cases of the problem are reported.
  • (18) In addition to the phase diagrams reported here for these two binary mixtures, a brief theoretical discussion is given of other possible phase diagrams that may be appropriate to other lipid mixtures with particular consideration given to the problem of crystalline phases of different structures and the possible occurrence of second-order phase transitions in these mixtures.
  • (19) This study examines the costs of screening patients for alcohol problems.
  • (20) Diphenoxylate-induced hypoxia was the major problem and was associated with slow or fast respirations, hypotonia or rigidity, cardiac arrest, and in 3 cases cerebral edema and death.

Rub


Definition:

  • (v. t.) To subject (a body) to the action of something moving over its surface with pressure and friction, especially to the action of something moving back and forth; as, to rub the flesh with the hand; to rub wood with sandpaper.
  • (v. t.) To move over the surface of (a body) with pressure and friction; to graze; to chafe; as, the boat rubs the ground.
  • (v. t.) To cause (a body) to move with pressure and friction along a surface; as, to rub the hand over the body.
  • (v. t.) To spread a substance thinly over; to smear.
  • (v. t.) To scour; to burnish; to polish; to brighten; to cleanse; -- often with up or over; as, to rub up silver.
  • (v. t.) To hinder; to cross; to thwart.
  • (v. i.) To move along the surface of a body with pressure; to grate; as, a wheel rubs against the gatepost.
  • (v. i.) To fret; to chafe; as, to rub upon a sore.
  • (v. i.) To move or pass with difficulty; as, to rub through woods, as huntsmen; to rub through the world.
  • (n.) The act of rubbing; friction.
  • (n.) That which rubs; that which tends to hinder or obstruct motion or progress; hindrance; obstruction, an impediment; especially, a difficulty or obstruction hard to overcome; a pinch.
  • (n.) Inequality of surface, as of the ground in the game of bowls; unevenness.
  • (n.) Something grating to the feelings; sarcasm; joke; as, a hard rub.
  • (n.) Imperfection; failing; fault.
  • (n.) A chance.
  • (n.) A stone, commonly flat, used to sharpen cutting tools; a whetstone; -- called also rubstone.

Example Sentences:

  • (1) Neither acetylcholine nor leukotriene D4 altered tone of arterial rings after the endothelium had been intentionally disrupted by rubbing with a cotton-tipped applicator.
  • (2) Rubbed rings, but not intact ones, contracted when Ca2+ was added to a previously Ca2+-free medium containing angiotensin II or adrenaline.
  • (3) Immediately after eye rubbing the conjunctival epithelium was histologically disrupted and 50% of the mast cells showed evidence of degranulation.
  • (4) But this morning's right-of-centre national papers were determined to rub his nose in the dirt.
  • (5) Long-term rubbing of a pressure stocking and splint was believed to be responsible for breakdown in the graft of the patient who had a hypertrophic scar.
  • (6) I think we all pine for the good old days when politicians actually wrote bills, and bills actually became laws and can I rub your arms a little?
  • (7) The specific endonuclease Bam HI from Bacillus amyloliquefaciens (RUB 500) has been purified to apparent homogeneity.
  • (8) Ultz, who is also a well-known stage designer, is the only white person in the company - something the play rubs his nose in.
  • (9) Who was the asshole who threw the bottle?” Matt asked, rubbing his sore spot.
  • (10) The fibromas were transmitted by intradermal and subcutaneous inoculation and by rubbing the virus preparation into tattoo sites.
  • (11) With advancing age, the ATP-induced relaxation in the rubbed rings decreased and was abolished.
  • (12) In the Diagnostic and Statistical Manual of Mental Disorders, the American Psychiatric Association describes “frotteurism” as “recurrent, intense, or arousing sexual urges or fantasies, that involve touching and rubbing against a nonconsenting person”.
  • (13) Rubbed (endothelium-denuded) ring preparations at the age of 4-6 weeks showed a dose-dependent relaxation similar to that of the unrubbed rings.
  • (14) We found positive reactions in the prick test and rubbing test to the scales of the lizard Egernia cunninghami and others, which the patient kept as house-pets at this time or earlier.
  • (15) On the contrary, not all country dwellers are Tories; and fat cats, often Tory, will be rubbing their hands at the thought of asset-stripping another national resource.
  • (16) Ten rubs occurred in patients with pericardial effusion, five of whom had tamponade.
  • (17) But this will only rub more salt into the wounds at home.
  • (18) During each scratch cycle, the monoarticular knee extensor muscle is active when the limb rubs against the stimulated site, and there is rhythmic alternation between hip protractor and hip retractor muscle activity (Robertson et al., 1985).
  • (19) Oscar Pistorius rubs his face as he sits in the dock during his ongoing murder trial at a packed high court in Pretoria on May 5.
  • (20) Did it actually happen, that run of singles so strange and yet so strong that they rose to the higher reaches of the hit parade, rubbing shoulders with Showaddywaddy and the Nolans on Top of the Pops?

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