What's the difference between loosen and unfasten?

Loosen


Definition:

  • (v. t.) To make loose; to free from tightness, tension, firmness, or fixedness; to make less dense or compact; as, to loosen a string, or a knot; to loosen a rock in the earth.
  • (v. t.) To free from restraint; to set at liberty..
  • (v. t.) To remove costiveness from; to facilitate or increase the alvine discharges of.
  • (v. i.) To become loose; to become less tight, firm, or compact.

Example Sentences:

  • (1) There is a gradual loosening of the adolescent's emotional dependence on her parents and a transfer of dependency ties to peers.
  • (2) The torques, although not large enough to dislodge the socket immediately, are repetitive and so may contribute to loosening.
  • (3) Femoral endosteal bone loss has been shown to be part of the natural aging process and may be a factor in femoral component loosening following total hip arthroplasty (THA).
  • (4) Seventeen of these were due to infection or loosening of the prosthesis.
  • (5) Loosening of the sutures and keratitis were the main complications in the postoperative course.
  • (6) Electric birefringence studies suggest that methylation may result in both interparticle cross-linking and some localised loosening of the DNA-protein complex complex.
  • (7) Two tibial components (2%) were believed to be mechanically loose, but no revisions for mechanical loosening were done.
  • (8) An artificial joint that articulates with full fluid film lubrication could greatly reduce wear and frictional torque and hence reduce the incidence of loosening and inflammatory tissue reaction.
  • (9) Aseptic loosening is the most common mode of failure for total knee replacements.
  • (10) The criteria of failure of pedicular instrumentation or "death" of an implant were defined as 1) screw bending, 2) screw breakage, 3) infection, 4) loosening of implants, 5) any rod or plate hardware problems, or 6) removal of hardware due to a neurologic complication.
  • (11) In the areas of disorganized collagen fibres cervical fibroblasts seemed to be activated characterized by fine granular loosening of the cytoplasma, dilated cisternae of rough endoplasmatic reticulum, vacuolized enlarged mitochondria and an increased number of cytoplasmatic vesicles close to the cell surface.
  • (12) Loosening of the tightly folded "native" structure of the two proteins following their synthesis in a rabbit reticulocyte lysate was assayed by the acquisition of protease sensitivity (pODHFR and pOCAT) or by the loss of enzyme activity (pOCAT).
  • (13) We concluded that the acetabular component of the Wagner prosthesis is prone to early loosening and that the early loosening is potentiated by a foreign-body response to debris resulting from arthroplastic wear.
  • (14) I think that is where we will see the most immediate loosening up of restrictions,” Handjani said.
  • (15) The reduction in the rate of aseptic loosening of the socket in our series, compared with the higher rates reported in similar long-term studies in which other acetabular components were used, supports the conclusion that there is enhanced longevity of acetabular fixation when a metal-backed acetabular component is used in cemented total hip arthroplasty.
  • (16) The loosening of such interactions is believed to induce conformational changes, which will alter ion transport systems necessary to the propagation of neural impulses.
  • (17) Main changes of upper compartments were showed on the bilaminar zone, including disc perforation and anterior displacement and capsular loosening.
  • (18) Significant problems included abnormal posture in the wrist, roentgenographic evidence of loosening in the finger metacarpophalangeals, extensor lag in the metacarpophalangeal of the thumb, and lack of motion in the proximal interphalangeal joint of the finger.
  • (19) China's government and media have launched a broadside against Japan's move to loosen the bonds on its powerful military, casting it as a threat to Asian security.
  • (20) However, because loosening and sinking of the prosthesis were significant, a ceramic total prosthesis was designed in 1980 to be used without cement.

Unfasten


Definition:

  • (v. t.) To loose; to unfix; to unbind; to untie.

Example Sentences:

  • (1) The clip was found to have come unfastened; simple repeat closure was performed.
  • (2) Sunderland frustrate Liverpool but Klopp unfastens Allardyce’s straitjacket | Alan Smith Read more Showing off some long-craved organisation and defensive resilience, Sunderland also offered sporadic threats on the break.
  • (3) LTD4 levels in the muscle also increased at the fastened site just before and 3 and 6 hours after unfastening.
  • (4) After unfastening, the rabbits showed a gradual decline of blood pressure, and one died 7 hours after unfastening.
  • (5) When I mentioned this , he told me he was planning on having its voice box unfastened so it would not be so annoying, and gave me a wicked smile.
  • (6) On the contrary, LTD4 levels in the blood increased just before and 6 and 12 hours after unfastening.
  • (7) I had no arguments with the Sunderland bench, there is nothing else to say, except that it might be the first time I have ever been called soft.” Sunderland frustrate Liverpool but Klopp unfastens Allardyce’s straitjacket | Alan Smith Read more Liverpool are at West Ham United on Saturday, where Klopp could have been in the opposing dugout had the London club’s owners had their way in the summer.
  • (8) The amounts of LTB4, LTD4 and LTE4 in the blood and muscle were measured just before unfastening and 3, 6 and 12 hours after unfastening.
  • (9) Liverpool’s Raheem Sterling fails to turn up for training, citing illness Read more 2) Indulge in a little bit of misconduct What better way to unfasten yourself from your contract (and sell yourself to new employers) than to stoop to arguably the lowest rank of (un)professionalism: gross misconduct.
  • (10) Leaning down to unfasten the latch brought one into close proximity to the holes on either side of the gate.
  • (11) LTE4 levels in the blood increased 3 hours, and those in the muscle 3 and 6 hours after unfastening.
  • (12) To open the gate one had to bend down to unfasten a latch 45 cm above ground level.