(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.
Upwind
Definition:
(v. t.) To wind up.
Example Sentences:
(1) Fifty-eight households were studied in the Red Pond community, the site of the established smelter and several backyard smelters, and 21 households were studied in the adjacent, upwind Ebony Vale community in Saint Catherine Parish, Jamaica.
(2) triseriatus and Haemagogus equinus), were used in a flight chamber in which females must fly upwind against the direction of the sound waves and around the ultrasonic devices to reach a trap downwind of a source of human breath and skin emanations.
(3) Samples of the gaseous effluent were collected inside the aeration building, inside the building's stack, 300 meters upwind (background sampler), and 300 meters downwind (test sampler), using Andersen samplers.
(4) Upwind the number of yeast colony-forming units was zero.
(5) Surely anyone in their right mind is thinking about how we can reduce pollution but they want to build another runway here, upwind of London ?
(6) A 6.1 m long suction trap, with multiple air inlets located on its upwind, top, ends and downwind sides, was placed on a freely pivoting raft moored in a large borrow pit.
(7) The proportion of mice showing estrus when placed 2 upwind was significantly less than that of mice downwind or of mice beloii but not different from that of females remote from males.
(8) The concentrations of 15 polycyclic aromatic hydrocarbons (PAH) were determined in ambient air particles sampled at four sites in an urban and industrialized area in The Netherlands, and at one site near the coast (generally upwind).
(9) Fifty percent of an Amblyomma variegatum female population were able to find upwind-positioned targets containing the synthetic aggregation-attachment pheromone of this species or the pheromone component o-nitrophenol alone.
(10) However, if the air current carries sex pheromone, then upwind movement is elicited.
(11) Male and female Manduca sexta flew upwind in response to the odor of female sex-pheromone gland extract or fresh tobacco leaf respectively, and generated very similar zigzagging tracks along the odor plume.
(12) Take-off was significantly orientated upwind during the period when swormlure-4 was added to the airstream, and significantly orientated downwind in the period after the addition of swormlure-4.
(13) Upwind of the flame-torch exposure the level was below the exposure limit, whereas downwind lead concentrations of up to ten times the exposure limit were observed.
(14) These results indicate that two peripheral processes related to excessive concentration, complete adaptation of antennal neurons, or merely the attenuation of fluctuations in burst frequency, are important determinants of when upwind progress by a moth flying in a pheromone plume stops and changes to station keeping.
(15) We suggest that these basal crosslinks support the long vestibular stereocilia rendering them more rigid, and that the upwind pointing crosslinks are responsible for the initiation of sensory transduction.
(16) Three responses to simulated yaw were noted: Yaw-correcting upwind turning tendencies (Figs.
(17) Trends from 1979 to 1987 were studied for the number of days per year ozone exceeded the NAAQS standard, the second-highest ozone level observed per year, and the first quartile summertime average ozone observed, as well as the mean difference between the ozone level observed downwind and upwind of the city.
(18) Such a trend could not be found for the total number of colony-forming units (yeasts, molds, and bacteria) although the upwind concentration was slightly lower than the downwind concentration.
(19) The particles sampled upwind dominated the mutagenicity in the area; in contrast to the locally emitted particles, their effects decreased in the presence of S9 fraction.
(20) When tobacco hornworm moths (Manduca sexta) are tested in a wind tunnel with a source of female pheromones upwind, males but not normal females show pheromone-modulated anemotaxis and a characteristic mate-seeking behavioural sequence.