What's the difference between jerk and wrench?

Jerk


Definition:

  • (v. t.) To cut into long slices or strips and dry in the sun; as, jerk beef. See Charqui.
  • (v. t.) To beat; to strike.
  • (v. t.) To give a quick and suddenly arrested thrust, push, pull, or twist, to; to yerk; as, to jerk one with the elbow; to jerk a coat off.
  • (v. t.) To throw with a quick and suddenly arrested motion of the hand; as, to jerk a stone.
  • (v. i.) To make a sudden motion; to move with a start, or by starts.
  • (v. i.) To flout with contempt.
  • (n.) A short, sudden pull, thrust, push, twitch, jolt, shake, or similar motion.
  • (n.) A sudden start or spring.

Example Sentences:

  • (1) The EMG silent periods (SP) produced in the open-close-clench cycle and jaw-jerk reflex were compared for duration before and after treatment with an occlusal bite splint.
  • (2) While tonic pupil and reduced sweating can be attributed to the affection of postganglionic cholinergic parasympathetic and sympathetic fibres projecting to the iris and sweat glands, respectively, the pathogenesis of diminished or lost tendon jerks remains obscure.
  • (3) In reflex-induced jerks this negative transient could be recognized as a component of the sensory evoked potential.
  • (4) A dynamic optimization technique to minimize jerk cost under the constraint on jerk input was applied to interpret the results, assuming that a major goal of skilled movements was to produce optimally smooth movements.
  • (5) The Peppers like to be jerks (at Dingwalls Swan dedicated a song to “all you whiney Britishers who can suck my American cock”), but don’t let the surface attitude fool you.
  • (6) Results from animal experiments and neuropathological studies suggest that the abolition of jerks in such cases is probably due to loss of facilitating influences from the cerebral cortex and central grey nuclei.
  • (7) Surgery caused or aggravated unilaterally diminished knee or ankle jerks in 3% and 10% of cases, respectively.
  • (8) This is a gladiatorial display – that is what people go to see.” Bray added: “The popular knee-jerk reaction will be we should ban airshows, but it’s very rare for such a crash to take place.
  • (9) High-frequency trading may or may not distort markets, but surely a knee-jerk reaction by banning it is not the answer.
  • (10) In order to overcome various drawbacks of the conventional polygraphic study of a relationship between myoclonus and EEG, the EEG preceding and following the myoclonic jerk was simultaneously averaged by the CNV program.
  • (11) Compared with the myoclonic-serotonergic syndrome evoked by 5-hydroxytryptophan in rats with 5.7-dihydroxytryptamine lesions, harmaline+5-hydroxytryptophan-treated rats displayed more continuous and greater axial myoclonic jerks and some postural differences.
  • (12) The effects of electrical stimulation and microinjection of sodium glutamate (0.5 M) in the sympathetic pressor areas of the dorsal medulla (DM), ventrolateral medulla (VLM), and parvocellular nucleus (PVC) on the knee jerk, crossed extension, and evoked potential of the L5 ventral root produced by intermittent electrical stimulation were studied in 98 adult cats anesthetized with chloralose and urethane.
  • (13) The knee jerk itself is seen as a "physiological artefact," resulting from a mode of stimulation that does not occur in life, with the normal function of its underlying circuitry still under debate.
  • (14) The patients did not significantly differ from controls on catch-up saccade amplitude, square wave jerk rate, or anticipatory saccade rate.
  • (15) It was confirmed that the technique of jerk-locked averaging with a backward averaging program was useful for detecting cortical spikes in association with the spontaneously occurring myoclonus, which are not recognized on the convential polygraph, and for evaluating the temporal and topographical relationship between the spike and the myoclonus.
  • (16) The typical electrophysiological correlates of myoclonus in Alzheimer's disease are similar to those of cortical reflex myoclonus, with a focal, contralateral negativity in the EEG preceding the myoclonic jerk.
  • (17) The analgesic effect of morphine in the rat tail jerk assay was enhanced by the serotonin uptake inhibitor, fluoxetine.
  • (18) In focal epileptic status, the single dose stopped paroxysmal activity and the associated clonic jerks for a few seconds.
  • (19) The occurrence of horizontal jerks with larger amplitudes than on Earth was observed during vertical optokinetic nystagmus in astronauts tested throughout a 7-day spaceflight.
  • (20) Only one patient felt his knee to be unstable (he had a positive pivot jerk).

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.