What's the difference between rub and scratch?

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?

Scratch


Definition:

  • (v. t.) To rub and tear or mark the surface of with something sharp or ragged; to scrape, roughen, or wound slightly by drawing something pointed or rough across, as the claws, the nails, a pin, or the like.
  • (v. t.) To write or draw hastily or awkwardly.
  • (v. t.) To cancel by drawing one or more lines through, as the name of a candidate upon a ballot, or of a horse in a list; hence, to erase; to efface; -- often with out.
  • (v. t.) To dig or excavate with the claws; as, some animals scratch holes, in which they burrow.
  • (v. i.) To use the claws or nails in tearing or in digging; to make scratches.
  • (v. i.) To score, not by skillful play but by some fortunate chance of the game.
  • (n.) A break in the surface of a thing made by scratching, or by rubbing with anything pointed or rough; a slight wound, mark, furrow, or incision.
  • (n.) A line across the prize ring; up to which boxers are brought when they join fight; hence, test, trial, or proof of courage; as, to bring to the scratch; to come up to the scratch.
  • (n.) Minute, but tender and troublesome, excoriations, covered with scabs, upon the heels of horses which have been used where it is very wet or muddy.
  • (n.) A kind of wig covering only a portion of the head.
  • (n.) A shot which scores by chance and not as intended by the player; a fluke.
  • (a.) Made, done, or happening by chance; arranged with little or no preparation; determined by circumstances; haphazard; as, a scratch team; a scratch crew for a boat race; a scratch shot in billiards.

Example Sentences:

  • (1) To test the hypothesis that EAA agonists are involved in transmission of nociceptive information in the spinal cord, we tested the effect of various opioid, sigma and phencyclidine compounds on the action of NMDA in the tail-flick, hot-plate and biting and scratching nociceptive tests.
  • (2) Some organization schemes concerning locomotor and scratching rhythmicity generators are considered, such as: two half-centres with reciprocal inhibitory connections and tonic excitatory influences on these half-centres: two half-centres with inhibitory-excitatory connections and tonic excitatory influences on one half-centre; ring structures consisting of more than two functional groups of neurons with excitatory and inhibitory connections between them.
  • (3) In an interview with the Guardian, James Hansen, the world's pre-eminent climate scientist, said any agreement likely to emerge from the negotiations would be so deeply flawed that it would be better to start again from scratch.
  • (4) The satisfaction derived from smoking depends not only on the pharmacological effects of nicotine but also the sensory stimulation from smoke inhalation, particularly the tracheal 'scratch'.
  • (5) The pathogenesis of the prolific mite population is unclear, but either a specific immunologic deficit or the inability to effectively eliminate the mites by scratching is a plausible possibility.
  • (6) Forty-three percent of dog bites, and 52% of cat bites-scratches were provoked, that is, happened while the victim was interacting with the animal.
  • (7) If the NHS was being created from scratch, primary and community care would be treated as one service.
  • (8) The timing of knee extensor activity within the hip cycle is different for each form of the scratch (Robertson et al., 1985); thus, the sign of the reset cannot be predicted from the timing of the stimulus relative to the knee extensor cycle.
  • (9) We report a patient with cat scratch disease who presented with multiple scattered nodular lesions on the legs.
  • (10) Application of APV to a midbody segment also reduced the magnitude of temporal summation in the scratch circuit in response to electrical stimuli delivered to the shell at 4- to 5-s intervals.
  • (11) Windshields, spectacles, contact lenses, lashes, an excessive tear meniscus, intraocular lens scratches, and posterior capsular opacification are possible causes that can be easily identified and treated.
  • (12) Ventral UVA pre-exposure did not appear to affect dorsal skin irritation as expressed by scratch marks.
  • (13) A rare vascular proliferation found as a skin lesion in patients suffering from the acquired immunodeficiency syndrome and sometimes referred to as epithelioid angiomatosis is believed to be a manifestation of infection by the cat scratch bacillus or a related organism.
  • (14) We have made Afghanistan stronger by building up from scratch strong security forces.
  • (15) Immunoperoxidase staining with an antiserum raised against the cat-scratch disease bacillus stained these organisms in all patients.
  • (16) licking, scratching, grooming, head and limb movements), a reaction termed immobility.
  • (17) These data suggest that hindlimb scratching induced by 5-HT agonists may not be centrally mediated but rather may be mediated by a neuronal 5-HT1A receptor localized outside the blood-brain barrier.
  • (18) In contrast, after weaning they showed a significant increment in the duration of face-washing, head-washing, fur licking and body-scratching.
  • (19) A strong correlation was found between reduction in scratching and improvement in skin status.
  • (20) But screens already demonstrated by GT can withstand scratches from concrete.

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