(n.) A cylinder, or a cylindrical perforation, having a continuous rib, called the thread, winding round it spirally at a constant inclination, so as to leave a continuous spiral groove between one turn and the next, -- used chiefly for producing, when revolved, motion or pressure in the direction of its axis, by the sliding of the threads of the cylinder in the grooves between the threads of the perforation adapted to it, the former being distinguished as the external, or male screw, or, more usually the screw; the latter as the internal, or female screw, or, more usually, the nut.
(n.) Specifically, a kind of nail with a spiral thread and a head with a nick to receive the end of the screw-driver. Screws are much used to hold together pieces of wood or to fasten something; -- called also wood screws, and screw nails. See also Screw bolt, below.
(n.) Anything shaped or acting like a screw; esp., a form of wheel for propelling steam vessels. It is placed at the stern, and furnished with blades having helicoidal surfaces to act against the water in the manner of a screw. See Screw propeller, below.
(n.) A steam vesel propelled by a screw instead of wheels; a screw steamer; a propeller.
(n.) An extortioner; a sharp bargainer; a skinflint; a niggard.
(n.) An instructor who examines with great or unnecessary severity; also, a searching or strict examination of a student by an instructor.
(n.) A small packet of tobacco.
(n.) An unsound or worn-out horse, useful as a hack, and commonly of good appearance.
(n.) A straight line in space with which a definite linear magnitude termed the pitch is associated (cf. 5th Pitch, 10 (b)). It is used to express the displacement of a rigid body, which may always be made to consist of a rotation about an axis combined with a translation parallel to that axis.
(n.) An amphipod crustacean; as, the skeleton screw (Caprella). See Sand screw, under Sand.
(v. t.) To turn, as a screw; to apply a screw to; to press, fasten, or make firm, by means of a screw or screws; as, to screw a lock on a door; to screw a press.
(v. t.) To force; to squeeze; to press, as by screws.
(v. t.) Hence: To practice extortion upon; to oppress by unreasonable or extortionate exactions.
(v. t.) To twist; to distort; as, to screw his visage.
(v. t.) To examine rigidly, as a student; to subject to a severe examination.
(v. i.) To use violent mans in making exactions; to be oppressive or exacting.
(v. i.) To turn one's self uneasily with a twisting motion; as, he screws about in his chair.
Example Sentences:
(1) Total excision and immediate reconstruction were done with alloplastic material fixated with microplates and screws.
(2) Two hundred and forty root canals of extracted single-rooted teeth were prepared to the same dimension, and Dentatus posts of equal size were cemented without screwing them into the dentine.
(3) The committee's findings include that the attacks were not extensively planned by the perpetrators; the intelligence community did a good job of warning about the risk of an attack but a bad job of summarizing the attack when it happened; the state department screwed up by not beefing up security at the mission; nobody blocked any military response; and that the Obama administration was slow to produce a paper trail but was generally not a sinister actor in the episode.
(4) The pedicle screw systems were always the most rigid.
(5) Closure is accomplished by suture of soft tissues and reattachment of the posterior trochanteric fragment with bone screws.
(6) Two of the 7 sets of iliosacral screws failed postoperatively (28%).
(7) An algorithm is implemented to determine the form and phase shift for inconsistent type II quadrupoles for any space group having glide or screw-axis translations which are not a consequence of lattice centering.
(8) It constitutes an alternative to Ender nailing, screw-plate, and nail-plate.
(9) Changes in radiostrontium clearance (SrC) and bone formation (tetracycline labeling) were observed in the femurs of skeletally mature dogs following the various operative steps involved in bone screw fixation.
(10) Several conventional internal fixation techniques and a three converging screw method were used.
(11) 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.
(12) Cadaver studies have been carried out and transpedicular screw position has been confirmed by computed tomography scan.
(13) In this study, we performed a series of in vitro tests to compare the breaking strength of plated bone analogues that used either unicortical or bicortical end screws.
(14) Successful treatment of scaphoid nonunions with screw fixation and cast-free after-treatment does not depend on the implant used but rather on careful case selection and precise surgical technique.
(15) The Herbert bone screw was initially developed for management of fractures of the carpal scaphoid.
(16) Plus, unlike planet-screwing fossil fuels, solar could actually be subsidy-free in a few years.
(17) The intensity-measuring device in both apparatuses has a mobile disk attached to a motionless axis by a spiral spring; the clamps have fixing screws in the butts of a spong.
(18) A variety of quality tests, of biomechanical screws, are used, before performing the operations, that flaws may be detected.
(19) Most fractures were fixed with interfragmentary screws and external fixators.
(20) To give variations in the peak flow-rate (from pulsatile to intermediate to non-pulsatile), three types of blood pump (piston-bellows, screw, and centrifugal) were applied to dogs.
Wrench
Definition:
(v. t.) Trick; deceit; fraud; stratagem.
(v. t.) A violent twist, or a pull with twisting.
(v. t.) A sprain; an injury by twisting, as in a joint.
(v. t.) Means; contrivance.
(v. t.) An instrument, often a simple bar or lever with jaws or an angular orifice either at the end or between the ends, for exerting a twisting strain, as in turning bolts, nuts, screw taps, etc.; a screw key. Many wrenches have adjustable jaws for grasping nuts, etc., of different sizes.
(v. t.) The system made up of a force and a couple of forces in a plane perpendicular to that force. Any number of forces acting at any points upon a rigid body may be compounded so as to be equivalent to a wrench.
(n.) To pull with a twist; to wrest, twist, or force by violence.
(n.) To strain; to sprain; hence, to distort; to pervert.
Example Sentences:
(1) Bamu also beat him, taking a pair of pliers and wrenching his ear.
(2) She lives in Holland Park and welcomes visitors with a gusty wrench of the door and a jubilant "hello".
(3) Goldsmith, following in the footsteps of his father , who started the rabid anti-EU referendum campaign, is for a hard Brexit, wrenching us away as brutally and damagingly as possible.
(4) In one email, an aide suggests she should “toss a wrench at someone”.
(5) The fact that they cannot afford to do so can be gut-wrenching.
(6) So it will have been a wrench for Jez, and his embattled entourage, to have to “cave in”, as the Guardian’s report put it, and suspend the MP from the party after David Cameron (who really should leave the rough stuff to the rough end of the trade) had taunted him at PMQs for not acting sooner when the Guido Fawkes blog republished her ugly comments and the Mail on Sunday got out its trumpet.
(7) But if you read carefully, Roberts did throw a wrench into the NSA's main defense for what it does: self-policing.
(8) "The pictures that we are seeing in Gaza and in Israel are heart-wrenching."
(9) Everybody is happy.” Fortunately for Villa, the fact Hull lost 2-0 at Tottenham meant their safety was assured a few hours later – welcome news to the Villa manager Tim Sherwood after a gut-wrenching first half.
(10) We are continuing to see heart wrenching reports of sexual abuse and assault, self-harm and hopelessness of refugees detained on Nauru and Manus Island with over 2,000 people left to languish in detention,” Szoke said.
(11) Mr Vine said: "Some time ago I decided I would have to leave Newsnight if I went to Radio 2 and that's a wrench, but no journalist could turn down such a magnificent offer from what is the UK's most successful radio station.
(12) I recall the sense of dismay I felt that morning when watching the first plane hit and how that morphed, when the second plane came less than twenty minutes later, into a gut-wrenching realization that this was no accident.
(13) No parent, hearing the voices of those still seeking news of their children, could fail to imagine the frantic play of hope and despair, the terrible wrenching of attachment.
(14) I decided it would do to convey a mixture of can-you-believe-it crossness and wrenching disappointment, selected it, added zilch and pressed send.
(15) Wrenching forces exerted on the cervical spine are attenuated, and the face is protected from contact with hard or lacerating surfaces.
(16) This throws a monkey wrench into the licensing process.
(17) 'A tremendous wrench': Sir Ivan Rogers's resignation email in full Read more He wrote: “I hope you will continue to challenge ill-founded arguments and muddled thinking and that you will never be afraid to speak the truth to those in power.
(18) The two cases herein described manifest unusual and distinctive injuries resulting from multiple impacts by adjustable crescent wrenches.
(19) He could take the most pitiful souls – his CV was populated almost exclusively by snivelling wretches, insufferable prigs, braggarts and outright bullies – and imbue each of them with a wrenching humanity.
(20) Their 18-year relationship made a gut-wrenching but fascinating public story, which began with romantic passion, high hopes and an elopement to Spain.