(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.
Untrue
Definition:
(a.) Not true; false; contrary to the fact; as, the story is untrue.
(a.) Not faithful; inconstant; false; disloyal.
(adv.) Untruly.
Example Sentences:
(1) "At the same time, however, we cannot allow one man's untrue version of what happened to stand unchallenged," he said.
(2) The American paper claimed Mr Jameel's company was one of a number of organisations being monitored at the request of law enforcement agencies, to prevent funds being channelled to terrorist organisations, a claim that turned out to be untrue.
(3) I categorically never said that ‘Britain has so many paedophiles because it has so many Asian men’.” She added that it was “totally untrue” that she had threatened to “take this inquiry down with me”, and absolutely rejected being rude and abusive to junior staff.
(4) "The suggestion that I deliberately misled the committee and refused to apologise are both untrue and unfair," she wrote in a letter to Keith Vaz, the committee's chairman.
(5) He said the allegations made in Iran's media are based on fabricated contents or fake accounts and are untrue.
(6) He stressed that the sister-in-law and her husband were not only accused of circulating libellously untrue stories but also of harassment of the wealthy financier.
(7) The palace initially stated that “any suggestion of impropriety with underage minors” by the duke was “categorically untrue”.
(8) Meanwhile, Ghislaine Maxwell, an associate of Epstein, has branded claims made against her as “untrue” and “obvious lies” after she was reportedly named in the US court papers by the woman.
(9) And nobody ever talks about the fact that it was in quotes, but that’s a very important thing.” But if the president says something that cannot be proved or is demonstrably untrue, doesn’t that devalue his own currency, Carlson asked a second time.
(10) Let’s stop this conversation right now.” The Qatari government says the figure used by Montague that 1,200 migrant workers have died in Qatar since it was awarded the World Cup in 2010 is categorically untrue.
(11) Flynn said he had not discussed lifting US sanctions on Russia with Sergei Kislyak, Moscow’s US ambassador, but later admitted this was untrue.
(12) Marshall refuted claims CSIRO was moving away from public good scientific research , labelling it disturbing and untrue.
(13) Some of it may prove to be true but the passage of time will show much is untrue.” In response to claims of infighting and comparison’s with Wolf Hall, a spokesman for the prince added: “Clarence House employs over 100 hardworking professionals, many of whom have been there for decades and whose work and dedication is appreciated by their royal highnesses.” The row over the book comes amid growing scrutiny of Prince Charles’s ambitions for his kingship.
(14) Khan said the rumours were "untrue and upsetting" – although they remain in circulation on Twitter.
(15) Not everything in the paperwork for Roldugin’s account was untrue.
(16) Three years later the House of Lords decided to allow the media to plead the Reynolds defence - which meant newspapers could print untrue and defamatory information if they could prove it was in the public interest to publish it and that it was the product of responsible journalism.
(17) Going with what seems a reasonable assumption – that Scotland can be successful either independent or in a federal Britain – we are left with a leap of faith in one direction or the other, based on whose utopian vision of our future is most likely to be untrue.
(18) The former Foreign Office official, who has known Steele for 25 years and considers him a friend, said: “The idea his work is fake or a cowboy operation is false – completely untrue.
(19) Totally, unbelievably untrue, but it does create doubt and they just drive right through that.” The appearance, her fourth on the late-night talk show circuit after stints on Jimmy Kimmel Live, the Late Show With Stephen Colbert and the Tonight Show with Jimmy Fallon, also had lighter moments.
(20) On Sunday, Leslee Dart, a publicist for Allen, 78, said: Mr Allen has read the article and found it untrue and disgraceful.