What's the difference between fasten and unfasten?

Fasten


Definition:

  • (a.) To fix firmly; to make fast; to secure, as by a knot, lock, bolt, etc.; as, to fasten a chain to the feet; to fasten a door or window.
  • (a.) To cause to hold together or to something else; to attach or unite firmly; to cause to cleave to something , or to cleave together, by any means; as, to fasten boards together with nails or cords; to fasten anything in our thoughts.
  • (a.) To cause to take close effect; to make to tell; to lay on; as, to fasten a blow.
  • (v. i.) To fix one's self; to take firm hold; to clinch; to cling.

Example Sentences:

  • (1) The authors tested their own technique, using transplants or implants of corium, fascia, dura mater and polyester net, internally in the tendons, fastening them with an external cross suture.
  • (2) A woman who was 30 weeks pregnant was sitting with a three-point seat belt fastened in the front passenger seat of an automobile that was involved in a head-on collision.
  • (3) Total radioactivity, including the volatile part of the solvents were registered by autoradiography of dried, evaporated tape-fastened sections.
  • (4) In order to more effectively separate the walls, a protector was applied consisting of a soft polyethylene tube, whose ends were fastened to the cervix uteri and remained there for 3-4 weeks.
  • (5) A penile problem that physicians are confronted with in the emergency room is entrapment of the foreskin by a zipper fastener.
  • (6) Mohamedou Ould Slahi: “smart, witty, garrulous, and curiously undamaged” Another team inside the plane dragged me and fastened me on a small and straight seat.
  • (7) It is made light-impermeable through the use of nylon hook-and-loop fasteners.
  • (8) Given that the economy is kind of coming back right now, I just didn’t understand why trade was so prominent this race David Lawrence, vice-president, AlphaUSA “Given that the economy is kind of coming back right now, something that is so key to the economy [as trade], I just didn’t understand why it was so prominent this race, and not some other issue,” said David Lawrence, vice-president of AlphaUSA, a fastener manufacturer based in suburban Detroit.
  • (9) Sheets of oil paper fastened vertically to two wires at a height of 60 cm above the ground at a distance of 20 cm one from another (barriers) and sheets in the form of "flags" (Dergachova and others, 1973) were used simultaneously.
  • (10) One group was exposed to the regular hospital program and the other group had, in addition: a mock-up demonstration for the mothers on the correct method of fastening the baby into the car seat and the car seat into the automobile seat; written handouts of how to use a car seat with an infant; a physician's order for the mock-up demonstration; and a physician's order to be discharged in a car seat.
  • (11) Erection, increase in circumference as well as rigidity, can be measured with a simple device consisting of a calibrated felt band with a sliding collar fastened to 1 end.
  • (12) A supporting harness is attached to the mask by use of three flat straps connected by Dot fasteners.
  • (13) Prevention includes feeding with human milk in prematures with slow increase of partial and total volumes, early initial fastening in cases of asphyxia and careful and close surveillance of high-risk newborns.
  • (14) Based on its membrane topology, it has been suggested that MotB might be a linker that fastens the torque-generating machinery to the cell wall.
  • (15) Spontaneous "overnight" deflation of inflatable prostheses is rather uncommon, but we have had a 5.7% incidence of it in a 24-month period in which we used implants with a suturable tab and fastened them to the subjacent fascia.
  • (16) In case of a transverse position of the fetal head, a special fastener on the forceps makes it possible to use an excentric handle on the traction hook of the Kielland forceps and thus render possible rotation of the fetal head from the transverse position.
  • (17) A brightly coloured train rattles across their path and stops abruptly and, after an affectionate hug, the two creatures climb aboard, carefully fasten their seatbelts and are bounced away to a rendezvous with their friends (a lavishly hatted family of peg dolls called the Pontipines; Makka Pakka, a squat, fuzzy troglodyte with OCD, and the Tombliboos, a triumvirate of pastel-coloured pepper pot creatures who live inside a topiary bush).
  • (18) Over a 0.009 inch flexible tip steel wire a diamond-coated brass burr fastened to a flexible drive shaft that rotates and tracks was advanced.
  • (19) Granulation tissue grows through the prosthesis which is fastened well to the connective-tissue cuff forming around it.
  • (20) The extension of the tracheostoma is achieved by means of an parallel incision which widens the trachea with the acid of 2 tough threads on each side, which are fastened to the clavicle.

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.