(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).
Tear
Definition:
(n.) A drop of the limpid, saline fluid secreted, normally in small amount, by the lachrymal gland, and diffused between the eye and the eyelids to moisten the parts and facilitate their motion. Ordinarily the secretion passes through the lachrymal duct into the nose, but when it is increased by emotion or other causes, it overflows the lids.
(n.) Something in the form of a transparent drop of fluid matter; also, a solid, transparent, tear-shaped drop, as of some balsams or resins.
(n.) That which causes or accompanies tears; a lament; a dirge.
(v. t.) To separate by violence; to pull apart by force; to rend; to lacerate; as, to tear cloth; to tear a garment; to tear the skin or flesh.
(v. t.) Hence, to divide by violent measures; to disrupt; to rend; as, a party or government torn by factions.
(v. t.) To rend away; to force away; to remove by force; to sunder; as, a child torn from its home.
(v. t.) To pull with violence; as, to tear the hair.
(v. t.) To move violently; to agitate.
(v. i.) To divide or separate on being pulled; to be rent; as, this cloth tears easily.
(v. i.) To move and act with turbulent violence; to rush with violence; hence, to rage; to rave.
(n.) The act of tearing, or the state of being torn; a rent; a fissure.
Example Sentences:
(1) To determine the accuracy of double-contrast arthrography in complete rotator cuff tears, we studied 805 patients thought to have a complete rotator cuff tear who had undergone double-contrast shoulder arthrography (DCSA) between 1978 and 1983.
(2) For the case described by the author primary tearing of the chiasma due to sudden applanation of the skull in the frontal region with burstfractures in the anterior cranial fossa is assumed.
(3) For the 20 patients who received treatment in the latter period (1987-1990), we gave priority to conservative treatment for type T cases that were free from complications, and adopted a treatment method attaching greater importance to the resection of intimal tears.
(4) Recently the presence of a coating inhibitory factor was described in human tears which can prevent the binding of proteins to a solid phase.
(5) The typical signs of muscle tears and neuromuscular diseases in relation to normal sonomorphology are discussed.
(6) In one case MRI showed a false image of tear of the supra spinatus m. on its anterior edge.
(7) If a tear is found, remove all unstable meniscal fragments, leaving a rim, if possible, especially adjacent to the popliteus recess, and then proceed to open cystectomy.
(8) In contrast, significant tear IgG increase was observed during the rejection phenomenon.
(9) At least one of these manipulative tests was positive in 79% of meniscal tears.
(10) Tests were undertaken to study resistance to tears in laser welded dental metal alloys.
(11) Death, helicopter crashes and tears: nurses' career-defining moments Read more Of course, we still continue to accept and treat patients as we always have.
(12) Even a long tear with a stable reduced position can be expected to show good healing.
(13) Shell casings littered the main road, tear gas hung in the air and security forces beat local residents.
(14) According to Israeli media reports, the US statement had caused "senior officials in Jerusalem to tear out their hair".
(15) The patients usually had a history of recurrent hamstring "tears."
(16) Egged on by Israel, Trump has threatened to tear up Obama’s landmark 2015 nuclear deal with Iran.
(17) This approach was used in 42 shoulders with rotator cuff tears or posterior instability without complications of infection, failure of deltoid healing, or compromise of suprascapular or axillary nerves.
(18) Perhaps it’s the lot of people like my colleagues here in the centre and me to wrestle with our consciences, shed tears, lose sleep and try to make the best of a very bad, heart-breaking job and leave the rest of the world to party, get pissed and celebrate Christmas.
(19) The MRI scan is a highly accurate, noninvasive modality for documentation of meniscal pathology as well as cruciate ligament tears in the knee.
(20) Lateral ligament tear is often associated with anterior cruciate ligament tear.