(n.) A large tree, the Artocarpus integrifolia, common in the East Indies, closely allied to the breadfruit, from which it differs in having its leaves entire. The fruit is of great size, weighing from thirty to forty pounds, and through its soft fibrous matter are scattered the seeds, which are roasted and eaten. The wood is of a yellow color, fine grain, and rather heavy, and is much used in cabinetwork. It is also used for dyeing a brilliant yellow.
(n.) A familiar nickname of, or substitute for, John.
(n.) An impertinent or silly fellow; a simpleton; a boor; a clown; also, a servant; a rustic.
(n.) A popular colloquial name for a sailor; -- called also Jack tar, and Jack afloat.
(n.) A mechanical contrivance, an auxiliary machine, or a subordinate part of a machine, rendering convenient service, and often supplying the place of a boy or attendant who was commonly called Jack
(n.) A device to pull off boots.
(n.) A sawhorse or sawbuck.
(n.) A machine or contrivance for turning a spit; a smoke jack, or kitchen jack.
(n.) A wooden wedge for separating rocks rent by blasting.
(n.) A lever for depressing the sinkers which push the loops down on the needles.
(n.) A grating to separate and guide the threads; a heck box.
(n.) A machine for twisting the sliver as it leaves the carding machine.
(n.) A compact, portable machine for planing metal.
(n.) A machine for slicking or pebbling leather.
(n.) A system of gearing driven by a horse power, for multiplying speed.
(n.) A hood or other device placed over a chimney or vent pipe, to prevent a back draught.
(n.) In the harpsichord, an intermediate piece communicating the action of the key to the quill; -- called also hopper.
(n.) In hunting, the pan or frame holding the fuel of the torch used to attract game at night; also, the light itself.
(n.) A portable machine variously constructed, for exerting great pressure, or lifting or moving a heavy body through a small distance. It consists of a lever, screw, rack and pinion, hydraulic press, or any simple combination of mechanical powers, working in a compact pedestal or support and operated by a lever, crank, capstan bar, etc. The name is often given to a jackscrew, which is a kind of jack.
(n.) The small bowl used as a mark in the game of bowls.
(n.) The male of certain animals, as of the ass.
(n.) A young pike; a pickerel.
(n.) The jurel.
(n.) A large, California rock fish (Sebastodes paucispinus); -- called also boccaccio, and merou.
(n.) The wall-eyed pike.
(n.) A drinking measure holding half a pint; also, one holding a quarter of a pint.
(n.) A flag, containing only the union, without the fly, usually hoisted on a jack staff at the bowsprit cap; -- called also union jack. The American jack is a small blue flag, with a star for each State.
(n.) A bar of iron athwart ships at a topgallant masthead, to support a royal mast, and give spread to the royal shrouds; -- called also jack crosstree.
(n.) The knave of a suit of playing cards.
(n.) A coarse and cheap mediaeval coat of defense, esp. one made of leather.
(n.) A pitcher or can of waxed leather; -- called also black jack.
(v. i.) To hunt game at night by means of a jack. See 2d Jack, n., 4, n.
(v. t.) To move or lift, as a house, by means of a jack or jacks. See 2d Jack, n., 5.
Example Sentences:
(1) A remarkably close relationship was found between both H. pylori urease subunits and jack bean (Canavalia ensiformis) urease, the subunit of which is a single 840 amino acid polypeptide.
(2) In 0.17 M Na+(aq), tRNA(Phe) exists in its native conformation and the number of strong binding sites (Ka greater than or equal to 10(4)) was estimated to be 3-4 by titration experiments, in agreement with X-ray structural data for crystalline tRNA(Phe) (Jack et al., 1977).
(3) Jack Straw, foreign secretary at the time of the Iraq war, took a less dramatic view.
(4) precursor phaseolin) is incubated with jack bean alpha-mannosidase show that the high mannose glycan on Asn252, but not the one on Asn341, is susceptible to enzyme degradation.
(5) "My wonderful, brave and adored father, Jack Ashley, Lord Ashley of Stoke, has died after a short battle with pneumonia."
(6) 9.31am BST Jack Straw , the Labour former home secretary, was on the Today programme earlier talking about the "plebgate" affair.
(7) This communication reviews the almost 40 years of studies by Jack Metcoff, MD, and coworkers to unravel the causes of fetal malnutrition and their efforts to prevent it.
(8) "Most of the grain produced on our farm ends up bound for export," said Jack McCormick, who raises beef cattle and grain with his father.
(9) Jack Straw's detailed blueprint for a 300- strong, wholly elected upper chamber to replace the Lords appears to have been blocked at the last minute following resistance in cabinet.
(10) His opposite number, Roy Carroll, saved at the feet of Sinclair, the County striker Izale McLeod drove inches wide, but in the 24th minute Villa were level, Jack Grealish dancing through a series of attempted tackles before putting the ball on a plate inside the penalty area for the hugely promising Adama Traoré to thump past Carroll.
(11) The manager added that City would also be without Kolo Touré, Abdul Razak and Jack Rodwell, who has a hamstring problem.
(12) Comment is free contributor Jack Monroe made the Guardian shortlist and got one commenter's You Tell Us award for Outstanding Excellence in the field of Talking Sense .
(13) The link between the conditions has not yet been discovered, but here Jack Wall and colleagues develop the theory that an autoimmune response to a 64 kDa antigen expressed on both thyroid and eye muscle membranes is responsible for this thyroid-associated ophthalmopathy.
(14) Fellow co-founder Jack Dorsey could make around half that.
(15) Other high-profile absentees include Danny Welbeck, Jack Wilshere, Luke Shaw and Jordan Henderson.
(16) Onerous new regulations could threaten the shale energy revolution, America’s role as a global energy superpower, and the dramatic reductions in CO2 emissions made possible by an abundant and affordable domestic supply of clean-burning natural gas,” Jack Gerrard, president of the American Petroleum Institute, said in a statement.
(17) The American has not secured a major title since Torrey Pines for the 2008 US Open and, while overhauling Jack Nicklaus's record total of 18 majors was once a matter of "when", it is now very much a case of "if".
(18) By N-terminal analysis, the 29.5-kDa subunit of H. pylori urease was found to share significant amino acid sequence similarity with the smallest of three subunits of the Proteus mirabilis and Morganella morganii ureases, as well as to the amino terminus of the unique jack bean subunit.
(19) Outside-funded overseas travel was also declared, including a visit to the Paris Air show for the Tory MP Jack Lopresti and his researcher, paid for by the global missile company MBDA.
(20) Even Jack Straw is trying to close down some of its overripe practices.
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).