What's the difference between jack and tack?

Jack


Definition:

  • (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.

Tack


Definition:

  • (n.) A stain; a tache.
  • (n.) A peculiar flavor or taint; as, a musty tack.
  • (n.) A small, short, sharp-pointed nail, usually having a broad, flat head.
  • (n.) That which is attached; a supplement; an appendix. See Tack, v. t., 3.
  • (v. t.) A rope used to hold in place the foremost lower corners of the courses when the vessel is closehauled (see Illust. of Ship); also, a rope employed to pull the lower corner of a studding sail to the boom.
  • (v. t.) The part of a sail to which the tack is usually fastened; the foremost lower corner of fore-and-aft sails, as of schooners (see Illust. of Sail).
  • (v. t.) The direction of a vessel in regard to the trim of her sails; as, the starboard tack, or port tack; -- the former when she is closehauled with the wind on her starboard side; hence, the run of a vessel on one tack; also, a change of direction.
  • (v. t.) A contract by which the use of a thing is set, or let, for hire; a lease.
  • (v. t.) Confidence; reliance.
  • (v. t.) To fasten or attach.
  • (v. t.) Especially, to attach or secure in a slight or hasty manner, as by stitching or nailing; as, to tack together the sheets of a book; to tack one piece of cloth to another; to tack on a board or shingle; to tack one piece of metal to another by drops of solder.
  • (v. t.) In parliamentary usage, to add (a supplement) to a bill; to append; -- often with on or to.
  • (v. t.) To change the direction of (a vessel) when sailing closehauled, by putting the helm alee and shifting the tacks and sails so that she will proceed to windward nearly at right angles to her former course.
  • (v. i.) To change the direction of a vessel by shifting the position of the helm and sails; also (as said of a vessel), to have her direction changed through the shifting of the helm and sails. See Tack, v. t., 4.

Example Sentences:

  • (1) Tiny, tiny... rodents – some soft and grey, some brown with black stripes, in paintings, posters, wallcharts, thumb-tacked magazine clippings and poorly executed crayon drawings, hurling themselves fatally in their thousands over the cliff of their island home; or crudely taxidermied and mounted, eyes glazed and little paws frozen stiff – on every available surface.
  • (2) But fresh evidence that waiting times are creeping up, despite David Cameron's pledge to keep them low, has forced Lansley to change tack and impose an extra treatment directive on the NHS.
  • (3) The Department for Culture, Media and Sport also left the door open for a change of tack over the use of the licence fee, saying that if "better options than the government's preferred one emerge in the meantime", it will "consider them".
  • (4) Two eyes with complex detachments with fixed rolled retinas could not have been repaired without the help of retinal tacks.
  • (5) The government needs to change tack and admit that its obsession with structural changes to schools has failed.” Ofsted chief criticises independent schools' lack of help for state schools Read more Wilshaw’s letter was based on the results of inspections of the management and operations of seven academy chains running 220 schools across the country: AET, E-Act, Wakefield City Academies, Oasis, CfBT, The Education Fellowship and the most recent, School Partnership Trust Academies (SPTA).
  • (6) "It was done to silence her," Akbulatov says, speaking in Memorial's office, a colour photo of Estemirova tacked to the wall.
  • (7) On some issues - particularly Europe - Lib Dems in the south have to tack more to the right.
  • (8) Syrian security forces were reported to have launched another wave of violence against pro-democracy protesters on Tuesday as President Bashar al-Assad rejected a Turkish appeal to change tack or meet the fate of Libya's Muammar Gaddafi.
  • (9) The prospect of Front National gains has left Sarkozy's ruling UMP party, a broad coalition of centre right and rightwing factions, scrapping over what tack to take to hang on to their seats.
  • (10) In the face of popular passions about immigration and the European Union, the Labour party has bobbed and tacked without taking a clear line.
  • (11) Along with some of his fellow Rangers, he walked me through the program – a strong, impressive young man, with an easy manner, sharp as a tack.
  • (12) An improved retinal tack and applicator can be used to fix the retina to the wall of the eye mechanically.
  • (13) In monkey eyes, histological examination disclosed a considerable fibrovascular proliferation around the retinal tack canal, including an inflammatory response, formation of collagenous tissue and glial proliferation.
  • (14) The correlation between the results of all these researches leaves little doubt on the existence of eye-tacking dysfunctions in schizophrenics.
  • (15) A previous owner tacked on additional rooms seemingly at random, giving the impression of a mad, elongated cottage with an internal maze.
  • (16) It's a change of tack for the Playboy brand after some troubled decades, and many believe this return to affluent values and women dressed as rabbits is exactly the right move.
  • (17) When practiced by several surgeons, the flap tacking procedure 1) reduces postmastectomy seromas and 2) reduces the amount of postoperative patient office visits and care.
  • (18) Those changes have not altered the fundamental structure of the system, but instead have been tacked onto it, and exemplify what may be termed additive reform.
  • (19) 4.09am GMT Saints 23-24 Eagles, 4:44, 4th quarter The Saints certainly have time here to respond, and in fact they might need so slow things down themselves after moving immediately up to the 48-yard line on a nice Darren Sproles kick return that had an additional 15 yards tacked on the end for a horsecollar tackle.
  • (20) Tritiated thymidine autoradiography was used to evaluate the proliferation of ocular tissues in response to tack insertion.