(n.) The act of abrading, wearing, or rubbing off; the wearing away by friction; as, the abrasion of coins.
(n.) The substance rubbed off.
(n.) A superficial excoriation, with loss of substance under the form of small shreds.
Example Sentences:
(1) This resulted in greater uniformity of abrasion over the enamel surface within the biopsy window area and better operator handling characteristics.
(2) Shaping and fine working of restorations necessitated by cervical lesions, abrasions at the necks of teeth, or root surface caries can often be arduous to complete.
(3) The row between two of the media industry's most colourful and abrasive figures took place in the YouView boardroom, located at Desmond's Northern & Shell Thameside skyscraper.
(4) Abrasive brushing techniques wear down the already damaged tooth surfaces.
(5) Orthopedic new approaches to therapy of OA include removal of abnormal tissue to stimulate repair (e.g., burring, abrasion) and grafting (e.g., osteochondral grafts, perichondrium, periosteum) to the subchondral bone.
(6) Before we meet, I have to have a stern talk with myself about not mentioning the game last August in which all Arsenal fans will contend that Barton got new signing Gervinho sent off on his debut; he's had similarly abrasive encounters since with fellow midfielders, Karl Henry from Wolves and Norwich's Bradley Johnson, the latter earning him a three-match ban.
(7) Elevated risks for stomach cancer among carpenters and machinists may reflect exposure to dusts, abrasives, and cutting oils.
(8) The testing was based on The British Standards Institution's specification for toothpastes, using a profilometer technique to evaluate the abrasion.
(9) Creation of smear layers with abrasive paper or dental burs reduced permeability by 80-85%.
(10) Since prosthetic meniscal replacement may be performed in the setting of normal articular cartilage, a prosthesis will be required to match the exact joint configuration, induce the same lubricity, produce the same coefficient of friction, and absorb and dampen the same joint forces (without incurring significant creep or abrasion) as does the normal meniscus.
(11) The titanium alloy strips were treated with citric acid, stannous fluoride, tetracycline HCl, chlorhexidine gluconate, hydrogen peroxide, chloramine T, sterile water, a plastic sonic scaler tip, and an air-powder abrasive unit.
(12) Perhaps grime and dubstep were simply too abrasive and strange to be successfully watered down for mainstream tastes.
(13) Relief from pain occurred in all patients soon after abrasion was performed.
(14) After mechanical denudation of the endothelium with a specially designed abrasive micropipette, spontaneous tone and myogenic responses were preserved.
(15) An abrasively Thatcherite style would be poison to their Lib Dem partners.
(16) Current management of hand injuries includes debridement by abrasive scrubbing with anti-bacterial detergents, surgical excision, or pressure irrigation.
(17) Plaque accumulations were also frequently located in abrasion grooves and surface pits in the enamel, and prolific plaque areas were consistently surrounded by a monolayer of bacterial cells.
(18) Corneal abrasion occurred in two babies and corneal oedema in one baby after forceps delivery but in none of the control group.
(19) However, person-to-person variation can have a great influence on the abrasion process; moreover, only two persons were involved in this pilot study, and no definitive statement can be made about the effect of the toothpastes.
(20) Recently a redesigned air-powder abrasive system was introduced to remove dental plaque and stain from tooth surfaces.
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.