What's the difference between pack and tack?

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.

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.

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