(v. t.) To reduce to powder by friction, as in a mill, or with the teeth; to crush into small fragments; to produce as by the action of millstones.
(v. t.) To wear down, polish, or sharpen, by friction; to make smooth, sharp, or pointed; to whet, as a knife or drill; to rub against one another, as teeth, etc.
(v. t.) To oppress by severe exactions; to harass.
(v. t.) To study hard for examination.
(v. i.) To perform the operation of grinding something; to turn the millstones.
(v. i.) To become ground or pulverized by friction; as, this corn grinds well.
(v. i.) To become polished or sharpened by friction; as, glass grinds smooth; steel grinds to a sharp edge.
(v. i.) To move with much difficulty or friction; to grate.
(v. i.) To perform hard aud distasteful service; to drudge; to study hard, as for an examination.
(n.) The act of reducing to powder, or of sharpening, by friction.
(n.) Any severe continuous work or occupation; esp., hard and uninteresting study.
(n.) A hard student; a dig.
Example Sentences:
(1) The contents of hexavalent chromium, Cr(VI), in grinding dust were undetectable.
(2) In EastEnders , the mystery surrounding the identity of Kat's secret squeeze continues amid the grinding of narrative levers and the death rattle of overflogged script-horses.
(3) We suggest that other functions than grinding, such as supplying minerals, may be equally important functions of the grit.
(4) While exposure of root surface dentin alone (negative control) produced no alterations, grinding the surface (positive control) caused noticeable changes in dentin, odontoblasts, and pulp.
(5) But he denied having an axe to grind against Riordan, now a Fair Work Commissioner.
(6) Nancy Curtin, the chief investment officer of Close Brothers Asset Management said: "The US economy didn't just grind to a halt in the first quarter – it hit reverse as the polar vortex took its toll.
(7) On the other hand, grinding the glossy ridge-lap surface, painting the teeth with monomer or a solvent, preparing retention grooves on the ridge-lap portion of the teeth effectively lock the teeth to the denture base.
(8) Sporulating cells of Bacillus sphaericus 9602 containing fully engulfed forespores at different stages of maturity were broken by ultrasonic disruption, followed by grinding with alumina.
(9) Achieving efficiency on this scale will be complicated and a long, hard grind.
(10) Lord Mitchell, who helped to lead Movement for Change's rally of activists this summer and who tabled yesterday's amendment, has said that the change will help "those who live in the hell-hole of grinding debt.
(11) In Java 81.1% of the males and 99.2% of the females showed dental mutilations in the form of grinding the incisal and vestibular surfaces of the maxillary incisors and canines.
(12) The experimental carborundum wheels exhibited much the same performance as the marketed carborundum wheel under a less grinding pressure that 100 gf.
(13) The anterior teeth can often be coupled to the posterior controls by modifying contours with selective grinding, full or partial coverage restorations, or composite.
(14) The combination of various possibilities for sample preparation and investigation--the tinting penetration method, the ion beam slope cutting, the light and scanning electron microscopy--allow statements at the grind after different drying of the preparation mainly to the bond but also surface and filler shape of glass-ionomer cements.
(15) Printers have come a long way since 1984 when Hewlett Packard introduced the ThinkJet , the firm's first personal inkjet printer grinding at a snail's pace of two pages a minute and priced at a whopping $495.
(16) Pyralgin (metamizole sodium) usefulness was tested in premedication of 90 patients subjected to processing of hard tooth tissues by grinding or drilling.
(17) Mercury vapor levels associated with grinding amalgam models and mulling amalgams in the palm of the hand following trituration have been measured in a dental laboratory in inhalation position.
(18) Gap changes which resulted during porcelain firing cycles were relatively small, but larger marginal discrepancies developed in crowns prepared with a compatible porcelain during grinding and abrasive blasting procedures.
(19) Cases were no more likely than well controls to report ever-grinding, but were actually significantly less likely than well controls to report current grinding.
(20) After functional analysis and diagnostic grinding-in in the Dentatus articulator, the teeth of 10 patients were ground in directly in the mouth using a list of corrections.
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?