What's the difference between scissors and shear?

Scissors


Definition:

  • (n. pl.) A cutting instrument resembling shears, but smaller, consisting of two cutting blades with handles, movable on a pin in the center, by which they are held together. Often called a pair of scissors.

Example Sentences:

  • (1) Perinephric rabbit fat was divided into small particles with scissors and razor blades and then injected subcutaneously into the donor rabbit.
  • (2) Yoon ring tubal segment excision was performed with CO2 laser and coelioscopic scissors, after mesosalpinx haemostasis by ornithine--vasopressin infiltration.
  • (3) Informed understanding of the likely progressive development of index-middle finger scissoring, pronation of the index ray with spontaneous broadening of the pulp, and the deteriorating use of an existing hypoplastic thumb may make the decision for ablation easier for parents.
  • (4) If you've somehow missed the multi-million-selling series turned mini-series turned musical by the Scissor Sisters let me tell you how very jealous of you I am.
  • (5) The curator Clare Browne has a certain sympathy for Bock – “he was a serious collector, and he saved many pieces which would otherwise certainly have been destroyed” – but even she is startled that he ran his scissors straight through the figure of Christ, sparing only the face, which ended up in the V&A’s half.
  • (6) Jake Shears – who as the Scissor Sisters' frontman has helped keep disco alive this past decade – acknowledges the near-shock value of all this live performing in the dance realm: "It sounds incredible, like a giant fresh glass of water that so many people have been thirsty for for so long," he says.
  • (7) He attempts a scissor kick but miskicks the ball wide.
  • (8) When front scissors were performed in an aggressive manner, the initial loading spikes averaged 1.0 BW in magnitude (maximum 1.8 BW) with an average rise time of 8.2 ms; calculated localized loading rates averaged 129 BW s-1 (maximum 219 BW s-1).
  • (9) For resection of scar tissue, a special scissors devised by us was used.
  • (10) The following conclusions were drawn: Up to about 30 degrees C the lipid A assemblies were supposed to adopt virtually bilayered, true lamellar arrangements, as revealed by the analysis of greater than CH2 scissoring vibrations and X-ray diffraction pattern.
  • (11) Moreover, the site in human renin that corresponds to the proteolytic cleavage site in mouse renin also appears to be exposed on the surface so as to be easily scissored during the maturation process.
  • (12) To get around this handicap, the character employs a recording of scissor-snip noises and barber’s small-talk to convince his client he’s actually doing the job he was hired for.
  • (13) With the tip of the hemostat or scissors the incision is opened longitudinally, and the lower legs of the incision are opened and freed up from the bulbocavernosus muscles.
  • (14) This method avoids the disadvantages inevitable in discision with a knife or scissors.
  • (15) It also is so constructed that a scissors-like effect is avoided and satisfactory noncrushing occlusion is obtained.
  • (16) This result is consistent with the Y-shaped scissor grip-leucine zipper model recently proposed for a class of DNA binding proteins important in the regulation of gene expression.
  • (17) But my mother had, like a true self-censor, carefully cut out all the explicit words with scissors.
  • (18) I'm reminded of a great West Wing episode where the First Lady, played by Stockard Channing, took scissors to her husband's tie just moments before a debate.
  • (19) The other costumes on the top rail are a pink cowgirl outfit, a pink waitress costume, a pink and purple superhero costume and a "hair stylist" tabard, in pink with purple trim, complete with plastic comb, mirror, scissors and hairdryer.
  • (20) The remaining 27 were defibulated with the use of various instruments such as knives, razor blades, and scissors.

Shear


Definition:

  • (v. t.) To cut, clip, or sever anything from with shears or a like instrument; as, to shear sheep; to shear cloth.
  • (v. t.) To separate or sever with shears or a similar instrument; to cut off; to clip (something) from a surface; as, to shear a fleece.
  • (v. t.) To reap, as grain.
  • (v. t.) Fig.: To deprive of property; to fleece.
  • (v. t.) To produce a change of shape in by a shear. See Shear, n., 4.
  • (v. t.) A pair of shears; -- now always used in the plural, but formerly also in the singular. See Shears.
  • (v. t.) A shearing; -- used in designating the age of sheep.
  • (v. t.) An action, resulting from applied forces, which tends to cause two contiguous parts of a body to slide relatively to each other in a direction parallel to their plane of contact; -- also called shearing stress, and tangential stress.
  • (v. t.) A strain, or change of shape, of an elastic body, consisting of an extension in one direction, an equal compression in a perpendicular direction, with an unchanged magnitude in the third direction.
  • (v. i.) To deviate. See Sheer.
  • (v. i.) To become more or less completely divided, as a body under the action of forces, by the sliding of two contiguous parts relatively to each other in a direction parallel to their plane of contact.

Example Sentences:

  • (1) The sticking probability decreased as the cell receptor concentration was lowered from approximately 10(4) to 10(2) receptors per 4-microns diam liposome and as the shear rate increased from 5 to 22 s-1.
  • (2) Gonococcal outer membranes were purified by differential ultracentrifugation of sheared organisms treated with EDTA.
  • (3) This movement generates forward and backward shearing force in the stagnation region as the separated flow migrates back and forth.
  • (4) This model characterized the abnormal flow by a weak fluctuation of wall shear stress at the site adjacent to the vessel wall.
  • (5) The hemolytic characteristics of 14 different polydimethyl-siloxane materials were studied, using a rotating disk device to shear whole human blood for 6000 sec.
  • (6) Since the antithrombin action of heparin fails to interrupt arterial thrombosis, a mediating role for thrombin (EC 3.4.21.5) in the formation of high-shear platelet-dependent thrombus has been unproven.
  • (7) A propensity for elevated shear in the deep cartilage layer near the contact periphery, observed in nearly all computed stress distributions, is consistent with previous experimental findings of fissuring at that level in the impulsively loaded rabbit knee.
  • (8) The development of a shear transducer, small enough to be worn comfortably under a normal foot, is described, along with a microcomputer controlled data logger.
  • (9) In an emergency, the devices use multiple mechanisms – including clamps and shears – to try to choke off the oil flowing up from a pipe and disconnect the rig from the well.
  • (10) Cement was pressurized into the cavity of the anatomic specimens, and the maximum interface shear strength between the cement plug and the bone was experimentally determined for each revision.
  • (11) At the divider side walls, wall shear stresses are relatively high and approximately follow the flow rate distribution in time.
  • (12) Platelet adhesion onto subendothelium of a damaged blood vessel depends upon the presence of von Willebrand factor (vWf) only at high flow shear rate.
  • (13) Shear stress and first normal stress difference are measured as a function of shear gradient to calculate the apparent shear viscosity eta 1 and the apparent normal viscosity psi 7 as well as an apparent shear modulus G'.
  • (14) The accepted cause of this shear rate-dependent and time-dependent behavior is the progressive breakdown of rouleaux into individual red cells.
  • (15) The mean length of a population of microtubules containing GMPPCP increased only by 37% over a 150 min time period after shearing.
  • (16) By studying the kinetics of urease-catalyzed urea hydrolysis during application of hydrodynamic shear under varying chemical environments, we demonstrate that micromolar quantities of metal ions, in this case adventitious Fe, can accelerate the oxidation of thiol groups on urease and thus inactivate it when the protein is subjected to a shearing stress of order 1.0 Pa.
  • (17) The viscosity of these materials were measured by using the Ishida-Giken cone and plate high shear rheometer.
  • (18) The primate skull physical model data and the critical shear strain associated with the threshold for severe diffuse axonal injury were used to scale data obtained from previous studies to man, and thus derive a diffuse axonal injury tolerance for rotational acceleration for humans.
  • (19) Flagellar filaments were isolated from either culture fluid or concentrated cell suspensions that were subjected to shearing.
  • (20) Hemodilution seems particularly promising under hemodynamic condition of low shear stresses in vivo.

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