What's the difference between abrade and scrape?

Abrade


Definition:

  • (v. t.) To rub or wear off; to waste or wear away by friction; as, to abrade rocks.
  • (v. t.) Same as Abraid.

Example Sentences:

  • (1) In addition, the bag does not abrade or desiccate the bowel, potentially reducing serosal injury and adhesion formation.
  • (2) Finely diffused and abraded amalgam must not be ignored as a source of absorbable mercury.
  • (3) In some cases the deposits appear to be caused by pulsing the electrode with current, while in other cases the deposits are corroded or abraded from the electrode or are otherwise not associated with the neuroprosthetic functioning of the implant.
  • (4) Less than 10 TCID50 (50% tissue culture infectious doses) of virus was required to produce large lesions (greater than 5 mm diameter) which developed during a period of 10 to 14 d prior to onset of healing which was complete by 28 to 30 d. A serum neutralising antibody response was also detected and protection against challenge by application of virulent virus to abraded skin was demonstrated in that challenge lesions developed and healed more quickly (14 d against 30 d).
  • (5) Two simple mechanized procedures have been developed for gently abrading the plant surface in order to efficiently extract glandular enzymes in high purity.
  • (6) Narrowing of the previously abraded coronary arteries was similar for the diltiazem-treated (median 7.1%, ranges 2.6-29.0%) and the control group (median 10.0%, ranges 2.3-24.1%).
  • (7) It was formed by electrolytic etching directly after the bonding surface of metal retainer was abraded, preparation of the axial grooves in the edentulous proximal surfaces of abutments, drying with compressed air and drying agent after enamel was acid etched and washed, bonding area was about 49 mm2 in each retainer and without using opaque agent between bonding agent and resin.
  • (8) Histological examination showed that the diamond fraise left a smooth abraded surface and the wire brush left an uneven surface.
  • (9) Abraded grooves have been observed on the anterior teeth of all the adults in a small population of prehistoric California Indians.
  • (10) The difference in infection frequency between quarters with smooth IMD and quarters with abraded IMD was significant (P less than 0.05).
  • (11) PSL showed no irritancy to both the intact and abraded guinea pig skin at 50% concentration.
  • (12) Several weeks later, allograft epidermis was abraded and replaced with the keratinocyte cultures.
  • (13) We used the balloon catheter technique to abrade a defined portion of the lining of the aorta in rats.
  • (14) Among models in infected quarters, percentage of lumen was lowest and stroma highest in quarters fitted with abraded devices.
  • (15) These abraded surfaces were compared with SEM micrographs of in-vivo composites surface after 4 years of service.
  • (16) Microscopically, silicone particles in synovium and lymph node were identical to particles abraded from a new prosthesis.
  • (17) Sixteen cured samples of each were initially finished with 600-grit paper and then abraded by medium-grit wheels for 30,000 cycles.
  • (18) High-speed rotational atherectomy uses a diamond-coated, elliptical burr to abrade occlusive atherosclerosis, especially noncompliant calcified plaque.
  • (19) An air-powder abrasive device abrades cementum rapidly and should be used carefully below cementoenamel junction.
  • (20) The prominences made of sealants, in particular, were abraded rapidly, one-fifth of retention being left after 3000 removals.

Scrape


Definition:

  • (v. t.) To rub over the surface of (something) with a sharp or rough instrument; to rub over with something that roughens by removing portions of the surface; to grate harshly over; to abrade; to make even, or bring to a required condition or form, by moving the sharp edge of an instrument breadthwise over the surface with pressure, cutting away excesses and superfluous parts; to make smooth or clean; as, to scrape a bone with a knife; to scrape a metal plate to an even surface.
  • (v. t.) To remove by rubbing or scraping (in the sense above).
  • (v. t.) To collect by, or as by, a process of scraping; to gather in small portions by laborious effort; hence, to acquire avariciously and save penuriously; -- often followed by together or up; as, to scrape money together.
  • (v. t.) To express disapprobation of, as a play, or to silence, as a speaker, by drawing the feet back and forth upon the floor; -- usually with down.
  • (v. i.) To rub over the surface of anything with something which roughens or removes it, or which smooths or cleans it; to rub harshly and noisily along.
  • (v. i.) To occupy one's self with getting laboriously; as, he scraped and saved until he became rich.
  • (v. i.) To play awkwardly and inharmoniously on a violin or like instrument.
  • (v. i.) To draw back the right foot along the ground or floor when making a bow.
  • (n.) The act of scraping; also, the effect of scraping, as a scratch, or a harsh sound; as, a noisy scrape on the floor; a scrape of a pen.
  • (n.) A drawing back of the right foot when bowing; also, a bow made with that accompaniment.
  • (n.) A disagreeable and embarrassing predicament out of which one can not get without undergoing, as it were, a painful rubbing or scraping; a perplexity; a difficulty.

Example Sentences:

  • (1) In invasive epidermoid carcinoma, the accuracy with the self-collected specimens approached the physician-scraped specimens.
  • (2) A microsomal preparation containing labeled endocytic vesicles was prepared by cell scraping, homogenization, and differential centrifugation.
  • (3) We compared two noninvasive methods of sampling exfoliated cervical cells--cervicovaginal lavage and scrape-Cytobrush.
  • (4) We therefore surveyed patients with Parkinson's disease (PD) regarding early adult consumption of fruits and vegetables usually eaten raw, with seeds that are swallowed or scraped with the teeth.
  • (5) The heads were examined for adult and larval meningeal worms (Parelaphostrongylus tenuis) by physical examination of the brain surfaces, and the Baermann technique, respectively, and for ear mites by examination of ear scrapings.
  • (6) He was competing in his third Boston marathon, and he came away with a scraped knee and a feeling of shock.
  • (7) Through small and large acts of deprivation and destruction we follow the process: the removal of hope, of dignity, of luxury, of necessity, of self; the reduction of a man to a hoarder of grey slabs of bread and the scrapings of a soup bowl (wonderfully told all this, with a novelist's gift for detail and sometimes very nearly comic surprise), to the confinement of a narrow bed – in which there is "not even any room to be afraid" – with a stranger who doesn't speak your language, to the cruel illogicality of hating a fellow victim of oppression more than you hate the oppressor himself – one torment following another, and even the bleak comfort of thinking you might have touched rock bottom denied you as, when the most immediate cause of a particular stress comes to an end, "you are grievously amazed to see that another one lies behind; and in reality a whole series of others".
  • (8) Psoriatic skin scales, non-sterile and sterile, were tested for stimulatory effect on PMNs and compared with the effect of normal skin scrapings.
  • (9) Our data provide the first evidence in humans that significant inflammatory changes in conjunctival scrapings are present long after allergen exposure has ended.
  • (10) This was partly because of its composition, scraped together from around the world but without the backing of Arab and Muslim leaders.
  • (11) Read more on Scottish independence • ' I believe in solidarity with the folk living south of Carlisle ' • ' The UK is on shifting sands – we can't assume survival ' • ' Better Together is truly scraping the barrel now ' The fact is that far from fearing the breakup of the UK, the English are looking at the benefits that devolution has brought the Scots and asking why they are not able to enjoy the same.
  • (12) Cellular abnormalities were demonstrated in 90.4% of women having scrapings of visible lesions and in 88.1% of women studied by 4-quadrant vaginal scrapings in the absence of clinical disease.
  • (13) These problems were met by introducing the indicator into the cells with the scrape-loading technique adapted for use with Dictyostelium and the construction of a new fura-2 derivative, fura-2-dextran.
  • (14) The overlying superficial and wing cells were removed by mechanical scraping to expose basal cells attached to their basal lamina.
  • (15) Scrapes detected more HPV 18 (10% vs. 2%, P = less than 0.05) and HPV 31 (7% vs. 3%, not significant) than did the biopsies, but biopsies detected more HPV 16 (42% vs. 33%, not significant).
  • (16) Epithelial cells were scraped from the tonsillar surfaces of 15 patients with current acute tonsillitis (AT) and of 15 individually matched healthy persons.
  • (17) We compared swab and scraping (Rhino-probe) technics in the nasal cytology obtention for eosinophils count in 36 patients with a range of 2-46 years old (mean age 18.6 years) with diagnosis of Allergic Rhinitis.
  • (18) Morphologically distinguishable differences in enamel at the occlusal site was examined as to whether the tooth is treated by acid solution, low-viscosity acid gel, or high-viscosity acid gel as well as the extent of involvement, using either a conventional or scraping method of application.
  • (19) Fifteen New Zealand white rabbits underwent laparotomy, with scrape and cut lesions created bilaterally on the uterine body and horns, respectively.
  • (20) The conjunctival sheets were cultured on epithelial-scraped corneal stromal carriers in vitro.