What's the difference between rectangular and trench?

Rectangular


Definition:

  • (a.) Right-angled; having one or more angles of ninety degrees.

Example Sentences:

  • (1) The solution to these problems would seem either to reduce the time spent in rectangular wires or to change to a bracket with reduced torque, together with appropriate second order compensations in the archwire or the bracket.
  • (2) For a long rectangular field, the agreement between measured and calculated attenuation coefficients is better than 1.5% for all energies.
  • (3) Similar aftereffects were obtained whether the area of the test stimulus was fixed or varied randomly from trial to trial, and whether the test stimulus was rectangular or elliptical.
  • (4) Computer-assisted reconstruction of the axon showed that in layer IV the axons occupied a rectangular area about 300 X 500 microns, elongated anteroposteriorly in area 17 and mediolaterally in area 18.
  • (5) In pentobarbital-anesthetized rats, hyperventilatory responses to rectangular mild hypercapnic normoxic gas mixtures inhalation were analysed.
  • (6) To estimate mechanical characteristics of such membranes, it is necessary to carry out the noncontact pressure test and membranous contact test, in addition to the usual monotonic tensile test, by using a rectangular specimen cut from the membranes.
  • (7) The membrane potential in single nodes of Ranvier was changed in rectangular pulse steps while the membrane currents, associated with the potential steps, were measured.
  • (8) At low pH, it is theorized that the trapezoidal profile of the dimer is shifted to a more rectangular configuration such that flat ribbons are formed by the lateral association of dimers.
  • (9) Depending on the size of the kindred, the pedigree automatically obtains a rectangular or circular appearance.
  • (10) The distribution of oviposition times in CL showed a great deal of variation among the populations and departed significantly (P less than 0.05) from the uniform rectangular distribution, in all but three populations.
  • (11) Each muscle strip was stimulated with trains of electrical rectangular pulses (10 Hz, 50-70 V, 0.5 ms).
  • (12) The subgel Lc(c') phases of both homologs show significant two-dimensional long range order and can be described by rectangular lattices.
  • (13) These concepts allow data measured for square or circular fields to be extended to calculate, for example, the percentage depth doses or output factors of rectangular or irregular fields.
  • (14) Fast twitch fibres of rat and rabbit show rectangular patterns of intramembrane particles in freeze-fracture preparations of the sarcolemma.
  • (15) It is concluded that the physical performance of sedentary people, athletes and patients with impaired cardio-pulmonary function can be more precisely qualified in quantitative terms by means of computer assisted rectangular-triangular ergospirometry.
  • (16) Then, in the R-phase, a large (20-50 mV) rectangular wave of depolarization arose with superimposed high-frequency oscillations.
  • (17) This logistic relationship is more general than the rectangular hyperbola or linear methods, provides excellent goodness of fit, and can be used as a "global" method for the entire calibration curve, rather than as a "local" method for small segments of the curve.
  • (18) Hill's rectangular hyperbola fitted the force-velocity data if the load during shortening was less than 70% of Fo.
  • (19) The effects of rectangular linearly rising (ramp) current pulses were also studied.
  • (20) By comparison of the scattering curves with triaxial geometric bodies which are equivalent in scattering, the tetrameric enzyme is described as a rectangular prism, with overall dimensions of A = 131.0 A, B = 131.0 A, and C = 65.0 A, and the octameric form as that of a cube with A = B = C = 120.0 A.

Trench


Definition:

  • (v. t.) To cut; to form or shape by cutting; to make by incision, hewing, or the like.
  • (v. t.) To fortify by cutting a ditch, and raising a rampart or breastwork with the earth thrown out of the ditch; to intrench.
  • (v. t.) To cut furrows or ditches in; as, to trench land for the purpose of draining it.
  • (v. t.) To dig or cultivate very deeply, usually by digging parallel contiguous trenches in succession, filling each from the next; as, to trench a garden for certain crops.
  • (v. i.) To encroach; to intrench.
  • (v. i.) To have direction; to aim or tend.
  • (v. t.) A long, narrow cut in the earth; a ditch; as, a trench for draining land.
  • (v. t.) An alley; a narrow path or walk cut through woods, shrubbery, or the like.
  • (v. t.) An excavation made during a siege, for the purpose of covering the troops as they advance toward the besieged place. The term includes the parallels and the approaches.

Example Sentences:

  • (1) Its boot always held a bivouac bag, a trenching tool of some sort and a towel and trunks, in case he passed somewhere interesting to sleep, dig, or swim.
  • (2) The RSC’s Erica Whyman stages a story inspired by a local man, the Royal Warwickshire Regiment’s Captain Bruce Bairnsfather, who was known as the cartoonist of the trenches and survived the war to work at the original Shakespeare Memorial theatre.
  • (3) Stephen Fisher, one of the archaeologists recording the site, says digging the trenches would also have been training for the men, who would soon have to do it for real, and the little slit trenches scattered across the site, just big enough for one man to cower in, might represent their first efforts.
  • (4) Upon segregation of the conidium from the phialide cell by conidial wall formation, 'trench-like' invaginations gradually appeared in the plasma membrane and a disorganized rodlet pattern was formed on the outer surface of the maturing conidial wall.
  • (5) The field was taped off while a mechanical digger clawed at the ground, making parallel trenches in the sandy earth.
  • (6) Scores of archaeologists working in a waterlogged trench through the wettest summer and coldest winter in living memory have recovered more than 10,000 objects from Roman London , including writing tablets, amber, a well with ritual deposits of pewter, coins and cow skulls, thousands of pieces of pottery, a unique piece of padded and stitched leather – and the largest collection of lucky charms in the shape of phalluses ever found on a single site.
  • (7) He sees HS2 as a "huge trench across the country where we can learn an awful lot about new sites.
  • (8) But his attitude gradually hardened, particularly after he reached the trenches.
  • (9) "It looks solid," said Jean Pascal Zanders, a Belgian expert who runs a blog on chemical weapons called The Trench .
  • (10) What they learn can be summed up in one word: trenches.
  • (11) The archaeologists had to wear slippers to preserve the site which, at the bottom of a two-metre trench, picked up much damp.
  • (12) A variety of cold exposure injuries were discussed, including frostnip, chilblains, trench foot, frostbite, and hypothermia.
  • (13) Alan Trench, an academic specialising in devolution and adviser to expert government commissions, said: "It's clear that Labour voters generally have concerns about how things are at the moment.
  • (14) But if trapped deep inside wreckage or an underwater trench, the effectiveness can be hindered.
  • (15) French troops wearing an early form of gas mask in the trenches during the second Battle of Ypres in 1915.
  • (16) Keeping within the string lines of your footprint, dig a trench about 15cm deep and lay the foundation stones flat and level.
  • (17) But according to Wayne Cocroft, an English Heritage expert on wartime archaeology, although 20 other trench training sites have been recorded across Britain, many have been damaged by later development, and both the scale and the state of preservation of the Gosport complex is exceptional.
  • (18) Working in a location to the southeast of Kathmandu, Paul Tapponnier, an earth scientist at the Earth Observatory of Singapore , and his team dug trenches across the fault and used charcoal to date when it had moved.
  • (19) There are no trenches, barbed wire fences or tank traps.
  • (20) Accessory glandular tissues were atrophied and debris filled the trenches of the papillae.