What's the difference between grate and rub?

Grate


Definition:

  • (a.) Serving to gratify; agreeable.
  • (n.) A structure or frame containing parallel or crosed bars, with interstices; a kind of latticework, such as is used ia the windows of prisons and cloisters.
  • (n.) A frame or bed, or kind of basket, of iron bars, for holding fuel while burning.
  • (v. t.) To furnish with grates; to protect with a grating or crossbars; as, to grate a window.
  • (v. t.) To rub roughly or harshly, as one body against another, causing a harsh sound; as, to grate the teeth; to produce (a harsh sound) by rubbing.
  • (v. t.) To reduce to small particles by rubbing with anything rough or indented; as, to grate a nutmeg.
  • (v. t.) To fret; to irritate; to offend.
  • (v. i.) To make a harsh sound by friction.
  • (v. i.) To produce the effect of rubbing with a hard rough material; to cause wearing, tearing, or bruising. Hence; To produce exasperation, soreness, or grief; to offend by oppression or importunity.

Example Sentences:

  • (1) Vertical gratings are tinged with green and horizontal gratings with pink.
  • (2) It is a moment to be grateful for what remains of Labour's hard left: an amendment to scrap the cap was at least tabled by John McDonnell and Jeremy Corbyn but stood no chance.
  • (3) The use of a new ultraviolet laser combined with a holographic grating spectrograph promises to increase the number of fluorescing species that can be detected simultaneously.
  • (4) Experiment 4 measured curvature selectivity as a function of the orientation of a curved adapting grating.
  • (5) The ARCT for the 15.0 c deg-1 grating was significantly higher than for the other two gratings.
  • (6) I personally felt grateful that British TV set itself apart from its international rivals in this way, not afraid to challenge, to stretch the mind and imagination.
  • (7) Gerson Zweifach, general counsel for both News Corp and 21st Century Fox , Murdoch’s film and TV business, said: “We are grateful that this matter has been concluded and acknowledge the fairness and professionalism of the Department of Justice throughout this investigation.” It is understood there has been no background settlement with the Department of Justice in order to avoid a full-blown investigation, contrary to speculation in New York over a year ago that the company was looking at a possible payment of over $850m.
  • (8) We should be grateful the School Food Trust has established this now, before we end up falling down a slippery slope back towards the dreaded Turkey Twizzler that Jamie Oliver campaigned to banish," he added.
  • (9) Dissociated culture of adult mouse dorsal root ganglion cells on glass plates, on which grating-associated microstructures (a repetition of microgrooves [mGRV] and microsteps [mSTP] of 0.1-10 micron) are fabricated by the conventional lithographic techniques, represents a remarkable bi-directional growth of their nerve fibers in the axial direction of the grating.
  • (10) This leads to the prediction that reaction time to grating onset will be linearly related to the square of the grating frequency.
  • (11) Accommodation measurements of nine young, emmetropic subjects were obtained with an infrared optometer while they viewed superimposed horizontal and vertical square-wave gratings at various dioptric separations.
  • (12) The effect of contrast on the range of temporal frequencies over which direction of movement can be discriminated differs for the three types of pattern: beats resemble neither low nor high spatial frequency gratings.
  • (13) Even before she gets to the Timeless premiere, the Mail Online has run two news stories on her that day: the first detailing what she was wearing in the morning, the second furnishing a grateful world with the news that she'd subsequently changed her outfit and taken her sunglasses off.
  • (14) However, similarly tested Keplerian telescopes exhibited significantly higher MTF's with vertical gratings.
  • (15) Acuity for the direction of drift for these stimuli is of the same order of precision as orientation acuity for static or drifting gratings, and exhibits a meridional anisotropy that favours the principal meridians.
  • (16) AJ Green was waiting just behind him, and the receiver gratefully pulled in the softly fluttering ball.
  • (17) We tentatively suggest that a preferential loss of contrast sensitivity to horizontal gratings might be due to a functional abnormality in the striate cortex that relatively spares the extrastriate cortex.
  • (18) A breathless Sturridge was still trying to digest his part in the game when he paid tribute to Hodgson, saying: “I’m grateful to the gaffer for allowing me to score and it’s a beautiful feeling to represent your country in the rivalry against another great country.
  • (19) A technique for rapid behavioral screening of grating acuity in infants 1 to 4 months of age is described.
  • (20) "We are enormously grateful that the Komen Foundation has clarified its grantmaking criteria, and we look forward to continuing our partnership with Komen partners, leaders and volunteers.

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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