What's the difference between shut and weld?

Shut


Definition:

  • (imp. & p. p.) of Shut
  • (v. t.) To close so as to hinder ingress or egress; as, to shut a door or a gate; to shut one's eyes or mouth.
  • (v. t.) To forbid entrance into; to prohibit; to bar; as, to shut the ports of a country by a blockade.
  • (v. t.) To preclude; to exclude; to bar out.
  • (v. t.) To fold together; to close over, as the fingers; to close by bringing the parts together; as, to shut the hand; to shut a book.
  • (v. i.) To close itself; to become closed; as, the door shuts; it shuts hard.
  • (a.) Closed or fastened; as, a shut door.
  • (a.) Rid; clear; free; as, to get shut of a person.
  • (a.) Formed by complete closure of the mouth passage, and with the nose passage remaining closed; stopped, as are the mute consonants, p, t, k, b, d, and hard g.
  • (a.) Cut off sharply and abruptly by a following consonant in the same syllable, as the English short vowels, /, /, /, /, /, always are.
  • (n.) The act or time of shutting; close; as, the shut of a door.
  • (n.) A door or cover; a shutter.
  • (n.) The line or place where two pieces of metal are united by welding.

Example Sentences:

  • (1) 'The French see it as an open and shut case,' says a Paris-based diplomat.
  • (2) Early after infection, the E3 promoter is used to make mainly mRNAs a and h. Late after infection, the E3 promoter appears to be shut off and the major late promoter is used to make mainly mRNAs d and e. The late L4 mRNA 3' end site is not used early even though early E3 pre-mRNAs transcribe through the L4 RNA 3' end site.
  • (3) I haven't had to face anyone like the man who threatened to call the police when he decided his card had been cloned after sharing three bottles of wine with his wife, or the drunk woman who became violent and announced that she was a solicitor who was going to get this fucking place shut down – two customers Andrew had to deal with on the same night.
  • (4) America is made up of immigrants and to shut the doors to others is just ludicrous.
  • (5) Mouse myeloma cells responded maximally to viral infection at a multiplicity of 1 and were considerably more se;sitive to shut-off of RNA synthesis than were mouse L cells or BHK-21 cells.
  • (6) The nuclear runoff experiments also demonstrated that the CAD gene expression was shut down in less than 4 h after induction, well before morphological changes were observed in these cells.
  • (7) The closures are part of a nationwide move to shut large numbers of urban public schools and set up privately run, publicly funded charters .
  • (8) If I was broadcasting on TV, they might shut down my programme, and I might not be able to express myself.
  • (9) Hot on the heels of the secret justice green paper – which seeks to shut claimants out of their own cases against the state to defend the "public interest" – comes a major expansion of powers to monitor the phone calls, emails and website visits of every person in the UK .
  • (10) Protests on Wednesday evening continued as smaller groups marched on the city centre, temporarily shutting down traffic on some intersections.
  • (11) The Financial Services Authority today shut the door on so-called liar loans and warned that the days of homeowners remortgaging to splash out on holidays and pay off credit card debts may soon be over.
  • (12) It’s unthinkable that they wouldn’t do that.” The Saw ride at Thorpe Park in Surrey and the Dragon’s Fury and Rattlesnake rollercoasters at Chessington World of Adventures, also in Surrey, have also been shut down by Merlin Entertainments, which owns all three parks.
  • (13) You see that in Colombia as well – middle-class protests that shut down Bogota.
  • (14) The cathedral is losing £20,000 for every day it is shut.
  • (15) This was greeted by a furious wall of sound from Labour, which only grew when he added: "The last government failed to prioritise compassionate care … they tried to shut down the whistleblowers …" It was pure party-political point-scoring, matched in spades by Labour's Andy Burnham.
  • (16) If the indicated gauge pressure is in excess of -15 kPa, investigate the equipment for excessive resistance, particularly in the shut-off valve, which should be replaced with a new unit if necessary.
  • (17) Enraged that this had happened when casting had barely commenced, the director shut down the movie unilaterally (perhaps finally ...) and sued Gawker .
  • (18) Now opponents are thinking they have a chance of shutting down the project completely – if they can make a show of force.
  • (19) But within a couple of minutes Gavin Schmidt , the website's co-founder, realised something was wrong and shut down the site.
  • (20) Chelsea were the better side, though, and were professional and experienced when they had to shut the game down.

Weld


Definition:

  • (v. t.) To wield.
  • (n.) An herb (Reseda luteola) related to mignonette, growing in Europe, and to some extent in America; dyer's broom; dyer's rocket; dyer's weed; wild woad. It is used by dyers to give a yellow color.
  • (n.) Coloring matter or dye extracted from this plant.
  • (v. t.) To press or beat into intimate and permanent union, as two pieces of iron when heated almost to fusion.
  • (v. t.) Fig.: To unite closely or intimately.
  • (n.) The state of being welded; the joint made by welding.

Example Sentences:

  • (1) Tests were undertaken to study resistance to tears in laser welded dental metal alloys.
  • (2) The possibility of contaminating the breathing air zone with hazardous substances in manual and semi-automated welding increases with the intensity of their formation in the arc zone.
  • (3) Laser repair has not been widely accepted both because the effect of laser irradiation on intact nerves is not well documented, and the anastomotic strength of the weld has been inferior to suture repair.
  • (4) The highest combined exposure (10-fold allowable value) was that of welders of steel coated with the zinc layer, using the metal active gas welding.
  • (5) The concentrations of 17 trace elements (e.g., copper, cobalt, iron, manganese, chromium, silicon and magnesium) were determined in whole blood samples of 81 persons working with different welding methods on stainless steel or aluminium and 68 nonwelders.
  • (6) These figures represent a participation rate of 37.1% in welders and 36.7% in non-welding subjects.
  • (7) Weak welds occurred with no thermal damage obtained at lower irradiances: stronger welds with thermal damage confined to the weld site occurred at higher irradiances.
  • (8) The results support the hypothesis that mild steel welding and to a lesser extent stainless steel welding with tungsten inert gas is associated with reduced semen quality at exposure in the range of the Danish process specific threshold limit values of welding.
  • (9) Low-level exposure to hexavalent chromium associated with TIG stainless steel and mild steel welding do not appear to be a major hazard for human spermatogenesis.
  • (10) Whereas the patterns of lung cancer mortality in these results suggest that the risk of lung cancer is higher for stainless steel than mild steel welders the different level of risk for these two categories of welding exposure cannot be quantified with precision.
  • (11) The occurrence of reduced birthweight, preterm delivery, infant mortality, and congenital malformation was not increased among children at risk from paternal welding exposure in comparison with children not at risk.
  • (12) The goal of future research should be to make the procedure less operator-dependent (dye enhanced or automated welding).
  • (13) When nacreous shell produced by the marine oyster Pinctada maxima, used as a biomaterial in oral surgery, is implanted in human bone, new bone formation occurs, resulting in a tight welding of the bone to the nacre [16].
  • (14) Tensile strength, 0.2% proof stress, and percentage elongation of the welded bars were measured and compared with the corresponding values for the titanium bars as delivered and with those of brazed type-3 gold alloy bars of similar dimensions.
  • (15) It was proved in experiment that endothelium formation is more adequate in a vascular microsuture formed by laser welding than in the formed by the traditional thread method.
  • (16) 23.2% of patients with pneumoconiosis caused by electric-welding aerosol showed regress of pneumoconiosis in afterdust period.
  • (17) Results indicated that excellent welds can be obtained with very little loss of strength and ductility in the area of the weld joint.
  • (18) Dizziness, headaches, and weakness occurred among three men after short-term hydrocarbon exposure during improper welding procedures in a closed container.
  • (19) In periods of reconstruction of chemical enterprises, hazardous compounds concentrations may exceed MAC, they are also characterized by contamination of the skin with toxic substances, welding aerosols discharge into the working zone, and microclimate distabilization.
  • (20) A limited investigation was carried out of the use of glass and ceramic fibre products used as protection against welding 'batter' and oxyacetylene welding flame.