What's the difference between back and jack?

Back


Definition:

  • (n.) A large shallow vat; a cistern, tub, or trough, used by brewers, distillers, dyers, picklers, gluemakers, and others, for mixing or cooling wort, holding water, hot glue, etc.
  • (n.) A ferryboat. See Bac, 1.
  • (n.) In human beings, the hinder part of the body, extending from the neck to the end of the spine; in other animals, that part of the body which corresponds most nearly to such part of a human being; as, the back of a horse, fish, or lobster.
  • (n.) An extended upper part, as of a mountain or ridge.
  • (n.) The outward or upper part of a thing, as opposed to the inner or lower part; as, the back of the hand, the back of the foot, the back of a hand rail.
  • (n.) The part opposed to the front; the hinder or rear part of a thing; as, the back of a book; the back of an army; the back of a chimney.
  • (n.) The part opposite to, or most remote from, that which fronts the speaker or actor; or the part out of sight, or not generally seen; as, the back of an island, of a hill, or of a village.
  • (n.) The part of a cutting tool on the opposite side from its edge; as, the back of a knife, or of a saw.
  • (n.) A support or resource in reserve.
  • (n.) The keel and keelson of a ship.
  • (n.) The upper part of a lode, or the roof of a horizontal underground passage.
  • (n.) A garment for the back; hence, clothing.
  • (a.) Being at the back or in the rear; distant; remote; as, the back door; back settlements.
  • (a.) Being in arrear; overdue; as, back rent.
  • (a.) Moving or operating backward; as, back action.
  • (v. i.) To get upon the back of; to mount.
  • (v. i.) To place or seat upon the back.
  • (v. i.) To drive or force backward; to cause to retreat or recede; as, to back oxen.
  • (v. i.) To make a back for; to furnish with a back; as, to back books.
  • (v. i.) To adjoin behind; to be at the back of.
  • (v. i.) To write upon the back of; as, to back a letter; to indorse; as, to back a note or legal document.
  • (v. i.) To support; to maintain; to second or strengthen by aid or influence; as, to back a friend.
  • (v. i.) To bet on the success of; -- as, to back a race horse.
  • (v. i.) To move or go backward; as, the horse refuses to back.
  • (v. i.) To change from one quarter to another by a course opposite to that of the sun; -- used of the wind.
  • (v. i.) To stand still behind another dog which has pointed; -- said of a dog.
  • (adv.) In, to, or toward, the rear; as, to stand back; to step back.
  • (adv.) To the place from which one came; to the place or person from which something is taken or derived; as, to go back for something left behind; to go back to one's native place; to put a book back after reading it.
  • (adv.) To a former state, condition, or station; as, to go back to private life; to go back to barbarism.
  • (adv.) (Of time) In times past; ago.
  • (adv.) Away from contact; by reverse movement.
  • (adv.) In concealment or reserve; in one's own possession; as, to keep back the truth; to keep back part of the money due to another.
  • (adv.) In a state of restraint or hindrance.
  • (adv.) In return, repayment, or requital.
  • (adv.) In withdrawal from a statement, promise, or undertaking; as, he took back0 the offensive words.
  • (adv.) In arrear; as, to be back in one's rent.

Example Sentences:

  • (1) Arda Turan's deflected long-range strike puts Atlético back in control.
  • (2) In a debate in the House of Commons, I will ask Britain, the US and other allies to convert generalised offers of help into more practical support with greater air cover, military surveillance and helicopter back-up, to hunt down the terrorists who abducted the girls.
  • (3) Recent data collected by the Games Outcomes Project and shared on the website Gamasutra backs up the view that crunch compounds these problems rather than solving them.
  • (4) Northern Ireland will not be dragged back by terrorists who have nothing but misery to offer."
  • (5) Patrice Evra Evra Handed a five-match international ban for his part in the France squad’s mutiny against Raymond Domenech at the 2010 World Cup, it took Evra almost a year to force his way back in.
  • (6) On the way back to Pristina later, the lawyer told me everything was fine.
  • (7) Names, and the absence of them, could be important Facebook Twitter Pinterest Don’t look back … Daisy Ridley’s Rey and John Boyega’s stormtrooper Finn.
  • (8) David Cameron has insisted that membership of the European Union is in Britain's national interest and vital for "millions of jobs and millions of families", as he urged his own backbenchers not to back calls for a referendum on the UK's relationship with Brussels.
  • (9) Critics say he is unelectable as prime minister and will never be able to implement his plans, but he has nonetheless pulled attention back to an issue that many thought had gone away for good.
  • (10) The water is embossed with small waves and it has a chill glassiness which throws light back up at the sky.
  • (11) Now, as the Senate takes up a weakened House bill along with the House's strengthened backdoor-proof amendment, it's time to put focus back on sweeping reform.
  • (12) Anxious mood and other symptoms of anxiety were commonly seen in patients with chronic low back pain.
  • (13) When you have been out for a month you need to prepare properly before you come back.” Pellegrini will make his own assessment of Kompany’s fitness before deciding whether to play him in the Bournemouth game, which he is careful to stress may not be the foregone conclusion the league table might suggest.
  • (14) Sterile, pruritic papules and papulopustules that formed annular rings developed on the back of a 58-year-old woman.
  • (15) A recent visit by a member of Iraq's government from Baghdad to Basra and back cost about $12,000 (£7,800), the cable claimed.
  • (16) Univariate and multivariate analyses indicated previous LBP or back pain in another location of the spine were strongly associated with LBP during the study year.
  • (17) Former lawmaker and historian Faraj Najm said the ruling resets Libya “back to square one” and that the choice now faced by the Tobruk-based parliament is “between bad and worse”.
  • (18) He’s been so consistent this season.” Barkley took the two late penalties because the regular taker, Romelu Lukaku, had been withdrawn at half-time with a back injury that is likely to keep the striker out of Saturday’s trip to Stoke City.
  • (19) Environment groups Environment groups that have strongly backed low-carbon power have barely wavered in their opposition to nuclear in the last decade, although their arguments now are now much about the cost than the danger it might pose.
  • (20) United believe it is more likely the right-back can be bought in the summer but are exploring what would represent the considerable coup of acquiring the 26-year-old immediately.

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.