What's the difference between jack and pack?

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.

Pack


Definition:

  • (n.) A pact.
  • (n.) A bundle made up and prepared to be carried; especially, a bundle to be carried on the back; a load for an animal; a bale, as of goods.
  • (n.) A number or quantity equal to the contents of a pack; hence, a multitude; a burden.
  • (n.) A number or quantity of connected or similar things
  • (n.) A full set of playing cards; also, the assortment used in a particular game; as, a euchre pack.
  • (n.) A number of hounds or dogs, hunting or kept together.
  • (n.) A number of persons associated or leagued in a bad design or practice; a gang; as, a pack of thieves or knaves.
  • (n.) A shook of cask staves.
  • (n.) A bundle of sheet-iron plates for rolling simultaneously.
  • (n.) A large area of floating pieces of ice driven together more or less closely.
  • (n.) An envelope, or wrapping, of sheets used in hydropathic practice, called dry pack, wet pack, cold pack, etc., according to the method of treatment.
  • (n.) A loose, lewd, or worthless person. See Baggage.
  • (n.) To make a pack of; to arrange closely and securely in a pack; hence, to place and arrange compactly as in a pack; to press into close order or narrow compass; as to pack goods in a box; to pack fish.
  • (n.) To fill in the manner of a pack, that is, compactly and securely, as for transportation; hence, to fill closely or to repletion; to stow away within; to cause to be full; to crowd into; as, to pack a trunk; the play, or the audience, packs the theater.
  • (n.) To sort and arrange (the cards) in a pack so as to secure the game unfairly.
  • (n.) Hence: To bring together or make up unfairly and fraudulently, in order to secure a certain result; as, to pack a jury or a causes.
  • (n.) To contrive unfairly or fraudulently; to plot.
  • (n.) To load with a pack; hence, to load; to encumber; as, to pack a horse.
  • (n.) To cause to go; to send away with baggage or belongings; esp., to send away peremptorily or suddenly; -- sometimes with off; as, to pack a boy off to school.
  • (n.) To transport in a pack, or in the manner of a pack (i. e., on the backs of men or beasts).
  • (n.) To envelop in a wet or dry sheet, within numerous coverings. See Pack, n., 5.
  • (n.) To render impervious, as by filling or surrounding with suitable material, or to fit or adjust so as to move without giving passage to air, water, or steam; as, to pack a joint; to pack the piston of a steam engine.
  • (v. i.) To make up packs, bales, or bundles; to stow articles securely for transportation.
  • (v. i.) To admit of stowage, or of making up for transportation or storage; to become compressed or to settle together, so as to form a compact mass; as, the goods pack conveniently; wet snow packs well.
  • (v. i.) To gather in flocks or schools; as, the grouse or the perch begin to pack.
  • (v. i.) To depart in haste; -- generally with off or away.
  • (v. i.) To unite in bad measures; to confederate for ill purposes; to join in collusion.

Example Sentences:

  • (1) The predicted non-Lorentzian line shapes and widths were found to be in good agreement with experimental results, indicating that the local orientational order (called "packing" by many workers) in the bilayers of small vesicles and in multilamellar membranes is substantially the same.
  • (2) Squadron Leader Kevin Harris, commander of the Merlins at Camp Bastion, the main British base in Helmand, praised the crews, adding: "The Merlins will undergo an extensive programme of maintenance and cleaning before being packed up, ensuring they return to the UK in good order."
  • (3) We have compared two new methods (a solvent extraction technique and a method involving a disposable, pre-packed reverse phase chromatography cartridge) with the standard method for determining the radiochemical purity of 99Tcm-HMPAO.
  • (4) Solely infectious waste become removed hospital-intern and -extern on conditions of hygienic prevention, namely through secure packing during the transport, combustion or desinfection.
  • (5) Glucose, osmotic pressure, packed cell volume, PFC by combustion and volatilization were also measured in blood samples.
  • (6) These levels are sufficient to maintain normal in vivo rates of mRNA and rRNA synthesis, but the average density of packing of polymerases on DNA is considerably less than the maximum density predicted by Miller and Bakken (1972), suggesting that initiation of polymerases of DNA is a limiting factor in the control of transcription.
  • (7) The crystallographic parameters of four different unit cells, all of which are based on hexagonal packing arrangements, indicate that the fundamental unit of the complex is composed of six gene 5 protein dimers.
  • (8) In 67 patinets with abnormal mammograms, breast angiography was performed using a "lo-dose vaccum packed film screen system".
  • (9) The cells are predominantly monopolar, tightly packed, and are flattened at the outer border of the ring.
  • (10) The majority of intensively stained and densely packed cells have been observed in tv nucleus.
  • (11) The wall of the yolk sac thickens as a result of this infolding and the densely packed capillaries.
  • (12) All 17 candidates are going to be participating in debate night and I think that’s a wonderful opportunity Reince Priebus Republican party officials have defended the decision to limit participation, pointing out that the chasing pack will get a chance to debate separately before the main event.
  • (13) The supporters – many of them wearing Hamas green headbands and carrying Hamas flags – packed the open-air venue in rain and strong winds to celebrate the Islamist organisation's 25th anniversary and what it regards as a victory in last month's eight-day war with Israel.
  • (14) Changes in the determinants of blood viscosity (packed cell volume, plasma viscosity, red cell aggregation, and red cell deformability) were studied on day 1 and day 5.
  • (15) They had watched him celebrate mass with three million pilgrims on the packed-out shores of Copacabana beach .
  • (16) In terms of segmental motion and anisotropy of packing the lipoprotein-X bilayer closely resembles a model bilayer system consisting of phosphatidylcholine, lysophosphatidylcholine, sphingomyelin and cholesterol mixed in the same molar ratio as in lipoprotein-X.
  • (17) There is little doubt that when it opens next Thursday, One New Change will be jam-packed with City workers and tourists.
  • (18) Treatment with chloroquine and primaquine, together with packed red cell transfusions, was successful in eliminating both the malaria parasites and the leukaemoid blood picture.
  • (19) The authors consider that this device increases safety during this potentially hazardous procedure by eliminating the flammable polyvinyl chloride endotracheal tube and cottonoid packings most frequently used during this procedure.
  • (20) The media, smelling blood, has fallen into pack formation.

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