(n.) A thick, black, viscous liquid obtained by the distillation of wood, coal, etc., and having a varied composition according to the temperature and material employed in obtaining it.
(v. t.) To smear with tar, or as with tar; as, to tar ropes; to tar cloth.
Example Sentences:
(1) With the exception of PMMA and PTFE, all plastics leave a very heavy tar- and soot deposit after burning.
(2) Utilizing the bilateral comparison technique in 30 hospitalized patients with chronic stable plaque-type psoriasis vulgaris, we closely monitored the clinical responses to ultraviolet radiation (Westinghouse fluorescent FS40 bulbs, 290--400 nm) and a variety of tar preparations and lubricant vehicles in combination and separately.
(3) It seems that the addition of liquid tar elevates the reaction threshold to dithranol in hypersensitive patients with psoriasis.
(4) We now present evidence that such a decrease in amounts of P68 could be essential for HIV-1 replication because of the presence of the Tat-responsive sequence (TAR sequence) present in the 5' untranslated region of HIV-1 mRNAs, which activates the P68 kinase.
(5) We conclude that there appears to be no benefit from exceeding a concentration of 5% crude coal tar in yellow soft paraffin in the treatment of patients with psoriasis and that the plateau in the dose-response curve for the action of crude coal tar in psoriasis begins at a point between 1 and 5%.
(6) Purified tat binds specifically to HIV-1 trans-activation-responsive region (TAR) RNA in gel-retardation, filter-binding, and immunoprecipitation assays.
(7) benj67 asks: How do you continue to justify continued your role in financing the Canadian tar sands, arguably a greater crime than the Libor scandal?
(8) Hansen has been an outspoken critic of tar sands, saying last year "it will be game over for the climate if development of the oil sands isn't stopped".
(9) In contrast, erythroid and myeloid colony growth from the TAR infant's marrow cells was preserved.
(10) Finally, by 6 min of heavy exercise at 8 mph 20% grade, Tar increased 2 degrees C (P less than 0.05) while Tre increased 0.5 degree C (P less than 0.05).
(11) Hydroxylamine mutagenesis was used to alter the tar gene that encodes the transmembrane Tar protein required for chemotaxis.
(12) A previously described smoking apparatus (20) was used for measurement of puff volume and inhaled tar.
(13) Again, tat protected TAR RNA from RNase A cleavage at both U23 and U31.
(14) Since its 2013 announcement, a key aim of TTIP has been to destroy regulations that prevent high-polluting tar sand crude oil from entering Europe.
(15) TARS-1 and TART-1 but not TARL-2 were transplantable into newborn syngeneic rats and nude mice.
(16) Both the occupational and in particular the therapeutic exposure to coal tar resulted in clear increases in urinary levels of PAH metabolites as compared to unexposed subjects.
(17) During the remission period the patients were advised to use a tar preparation or topical corticosteroids in the event of minor exacerbations.
(18) Biological studies have demonstrated that concentrated extract of tars from combustion of shale oil are carcingenic to the skin of mice.
(19) Beech tar, in a concentration of 5% induced a 19% increase in orthokeratosis.
(20) For the study reported in the present investigation these data have been augmented by estimates of past workplace exposure to total tar (benzene-soluble matter) and to benzo-a-pyrene (BaP).
Tarpaulin
Definition:
(n.) A piece of canvas covered with tar or a waterproof composition, used for covering the hatches of a ship, hammocks, boats, etc.
(n.) A hat made of, or covered with, painted or tarred cloth, worn by sailors and others.
(n.) Hence, a sailor; a seaman; a tar.
Example Sentences:
(1) Workers have begun delivering tarpaulins to survivors in Kathmandu and baby packs in the Bhaktapur district, which include children’s clothes, blankets and soap.
(2) Disembarkation was delayed while officials erected a white tarpaulin on the boat to block the media’s view.
(3) The colossal tarpaulin roof had actually been opened and closed regularly throughout the day, as if taunting those fans who could not attend the rescheduled game, as the locals sought to dry the surface so there was an irony this game kicked off with autumnal sunshine pouring through the concourse under the canopy.
(4) Georgia's rescuers put up tarpaulins to shield her from the camera lenses as they extracted her through a 10ft square hole in the brickwork and took her to hospital.
(5) A large green tarpaulin, supported on scaffolding poles, was set up at the back of the building covering the area behind her basement flat and one next door to it.
(6) The goal came in front of the south end where before the game a gigantic tarpaulin had depicted Alfredo Di Stéfano, the man who changed this club for ever when he arrived in 1953.
(7) The structure, which is made of a tarpaulin-type pvc material, takes only 15 minutes to shut but could not be closed while the rain fell.
(8) The women had no electricity and no roof – merely a soggy fabric tarpaulin stretched between two walls.
(9) The meth addicts cluster on the riverbed, improvising tents with tarpaulin and shoelaces.
(10) For now, these mountain farmers have salvaged what they can from their destroyed homes and are sheltering under tarpaulins, in plastic vegetable tunnels, or even in cowsheds.
(11) Although she creates on a massive scale, her sculptures are often described as anti-monumental, the monument and its downfall contained within a form made of ordinary materials: cardboard, rags, rubber, tape, tarpaulin, paper, polystyrene.
(12) On a wall beside the tarpaulin-covered command centre in what some were calling Madrid's "Republic of Sol" – home to a press office, an infirmary and a legal centre – a list of needs had been pinned up.
(13) At the bottom of the sandy dunes sit wide turquoise craters, looked over by gritty hills where haphazard tents made from tarpaulins and thatch serve as shelters for the men descending into the hollowed-out pools with pickaxes and buckets.
(14) The boat was moved further away from the island and covered in a tarpaulin so the arrivals cannot be counted or identified, the sources said.
(15) Earlier, two British cargo planes left Oxfordshire to airdrop bottled water, tents and tarpaulins to displaced Iraqis encircled by militants.
(16) The planes were seen yesterday on a site owned by BAE Systems at Woodford in Stockport, with their cockpit windows taped up, close to an area sectioned off by tarpaulin sheets, where it is believed they will be broken up.
(17) By Monday about 200 tents were based there, as well as an increasingly intricate series of tarpaulin-covered structures to house necessities such as food, recycling and rubbish, and facilitate relations with the media.
(18) The victims are then covered with black tarpaulins.
(19) Setting ambitions and targets around the Rio anniversary has been a bit like removing the tarpaulin from the lifeboat, and then deciding it is better to go down with the ship because no one can be bothered to launch it.
(20) Just steps away, two half-brothers in their mid-forties with grubby faces and missing teeth are sitting on a camouflage tarpaulin, sharing some weed.