(v. t.) To render (an effort or attempt) vain or nugatory; to baffle; to outwit; to balk; to frustrate; to defeat.
(v. t.) To blunt; to dull; to spoil; as, to foil the scent in chase.
(v. t.) To defile; to soil.
(n.) Failure of success when on the point of attainment; defeat; frustration; miscarriage.
(n.) A blunt weapon used in fencing, resembling a smallsword in the main, but usually lighter and having a button at the point.
(n.) The track or trail of an animal.
(n.) A leaf or very thin sheet of metal; as, brass foil; tin foil; gold foil.
(n.) A thin leaf of sheet copper silvered and burnished, and afterwards coated with transparent colors mixed with isinglass; -- employed by jewelers to give color or brilliancy to pastes and inferior stones.
(n.) Anything that serves by contrast of color or quality to adorn or set off another thing to advantage.
(n.) A thin coat of tin, with quicksilver, laid on the back of a looking-glass, to cause reflection.
(n.) The space between the cusps in Gothic architecture; a rounded or leaflike ornament, in windows, niches, etc. A group of foils is called trefoil, quatrefoil, quinquefoil, etc., according to the number of arcs of which it is composed.
Example Sentences:
(1) The magnitude of improvement achieved is dependent upon field size, SSD, the atomic number of the foil material, and foil thickness.
(2) Membranes were sandwiched between two gas-permeable, plastic foils, placed in a sealed cuvette, and gassed with H2 as reductant or O2 as oxidant.
(3) Based on the macrophage-specific release using crystalline silica, and the production and secretion of at least three hemopoietic regulatory factors (erythropoietin, colony stimulating factor and a multipotential stem cell enhancing and maintaining factor) into the extracellular fluid of bone marrow-derived macrophages grown on hydrophobic teflon foils, a hypothesis for the regulation of hemopoiesis is proposed.
(4) The entrance window is 12 microns Melinex foil with a thin aluminium surface.
(5) The present study investigated these inconsistencies by manipulating nonword foil lexicality (i.e., the similarity of nonword foils to words), semantic priming, and word frequency in two lexical decision experiments.
(6) International negotiations extend over long periods of time and there are significant steps that we still have to undertake, but the important thing is to continue to make forward progress.” Rich countries accused of foiling effort to give poorer nations a voice on tax Read more Manuel Montes , however, senior adviser on finance and development at the South Centre in Geneva and one of the architects of the financing for development process, felt developing countries had lost more than they had gained.
(7) Mononuclear cells were isolated from whole blood by cytapheresis and cultured for 7 days with 2% autologous serum on hydrophobic Teflon foils.
(8) Maybe it will do him good to go away with England.” Such is the cyclical life of goalscorers, there are times when those fractions that can be the difference between a ball ending up nestled in the net, or agonisingly wide, or foiled by a goalkeeper that probably seems 10 feet tall, loom large.
(9) A stick, 5 to 6 cm long, made of a glass capillary tube, or, aluminium foil, with ends bended as a hock, are weighted up to 0.001 g. Introduce one stick previously weighted in diluted plasma.
(10) The colour to channel for next season is, in fact, not matt buttercup yellow but the gold-foil sheen best explained as the colour of the toffee penny in a box of Quality Street.
(11) I think it was just excited commentary, and it sounds like people are trying to get a lot out the door in terms of Christmas purchases of books.” On Monday morning, Morrison insisted the phone call was of “no consequence” and that linking it with the September spill amounted to “tin foil hat conspiracies”.
(12) A reason for this is the worse demarcability of the pre-beta-lipoprotein proportion in the curves of the densitometre of acetate foils.
(13) A new cell culture technique is described which is based on the observation that foils cast from the melamine resin hexamethylol-melamine-ether are suitable for the cultivation of beating heart muscle cells and fibroblasts of the rat.
(14) The parent nuclide, W-178 (half-life 21.7 d), was produced in the Michigan State University cyclotron by proton bombardment of stacked natural tantalum-foil targets.
(15) A plastic IUD bearing copper foil (42 mm2) was inserted into one horn of the rabbit uterus and a physically similar platinum-bearing IUD in the contralateral horn served as a control.
(16) This study compared the performance of a new computerized occlusal analysis (T-Scan) system with that of Accufilm and Shimstock foil for the registration of tooth contacts on a laboratory model.
(17) Four lead layers (three additional foils equalling 3.92 x 10(-3) mm of lead) on the conventional film package resulted in a significant dose reduction.
(18) From then on, different features were added over the years, including more use of colour, watermark portraits of the queen, highly detailed machine engravings, reflective foil patches and holographic strips.
(19) A lovely counterattack following some ponderous behaviour by NZ outside the Slovakia box, before Vittek was foiled as he was about to pull the trigger.
(20) The nuclear regulation authority said the radiation comprised mostly beta rays that could be blocked by aluminium foil, unlike more penetrative gamma rays.
Trefoil
Definition:
(n.) Any plant of the genus Trifolium, which includes the white clover, red clover, etc.; -- less properly, applied also to the nonesuch, or black medic. See Clover, and Medic.
(n.) An ornamental foliation consisting of three divisions, or foils.
(n.) A charge representing the clover leaf.
Example Sentences:
(1) The results obtained with the bifoil balloon were better than with the other types of balloon catheter, with an increase in aortic area of + 118% vs. + 74% (monofoil) and + 76% (trefoil) (P less than 0.05).
(2) The compounds which are found in the whole trefoil embryo (T), the lobeless part (LL), and the polar lobe (PL) respectively, and the mean quantities (nmol.
(3) The Trefoil balloon was then used in 3 children with congenital valvular stenoses (2 pulmonary and 1 aortic stenosis).
(4) Forages included alfalfa, cicer milkvetch, birdsfoot trefoil and sainfoin with respective CP concentrations of 26.0, 28.7, 26.3 and 20.0%.
(5) To ensure continued transvalvular blood flow the authors have developed the "Trefoil balloon" consisting of three identical angioplasty balloons mounted on a single catheter.
(6) Nails with conventional strength and in trefoil leaf formation are superior to other designs.
(7) Indirect immunofluorescent staining with antiserum raised using a synthetic peptide based on the predicted C-terminal sequence of this protein, designated intestinal trefoil factor, demonstrated that it is primarily expressed and secreted onto the intestinal surface by goblet cells, suggesting that it may be an important component of intrinsic mechanisms for defending mucosal integrity.
(8) Dental hypoplasia correlated with a small interpedicular diameter at L1, L2 and L3, and Harris lines with a small midsagittal diameter at L1, L3 and L5, a small area at L5 and a more trefoil canal at L4 and L5.
(9) But Oates thinks the common blue should be doing better; its food plant, bird’s-foot-trefoil , will grow in gently cut garden lawns, its caterpillars can also feed on agricultural clovers in “improved” grassland.
(10) A new balloon (Trefoil balloon) was developed to avoid complete interruption of blood flow during percutaneous balloon valvuloplasty.
(11) The results of trefoil valvuloplasty in twelve patients with pulmonary stenosis compared favorably to those of patients treated with single balloons.
(12) Total nonstructural carbohydrate digestion tended to be highest for sainfoin and birdsfoot trefoil, whereas structural carbohydrate digestion was highest (P less than .05) for alfalfa and cicer milkvetch.
(13) In 31 consecutive patients with trefoil-bifoil balloon valvuloplasty, there was no inhospital mortality.
(14) Antibody to purified trifoliin binds to the root hair region of 24-h-old clover seedlings, but does not bind to alfalfa, birdsfoot trefoil or joint vetch.
(15) BAV can be performed using a single balloon (one balloon, one shaft), multiple balloons (multiple balloons, multiple shafts), or complex balloon configurations (bifoil or trefoil balloons on a single shaft) by the retrograde (femoral or brachial) or antegrade (transseptal) approach.
(16) Under fluoroscopy, the balloon was completely inflated then the contrast medium immediately withdrawn, a procedure of seven to 23 seconds with the single-balloon catheter and five to nine seconds with the trefoil catheter.
(17) Ammonia-N concentration in the effluent and CP degradation tended to be lowest with the sainfoin diet and highest with the birdsfoot trefoil diet.
(18) The Trefoil balloon is a promising new device for percutaneous valvuloplasty and, perhaps, coronary angioplasty.
(19) We used a single balloon (Trefoil 3 X 12 mm) in eight patients and two balloons in 12 (Trefoil 3 X 10 mm + 19 mm).
(20) Single (25 mm in diameter, trefoil 3 x 12 mm, bifoil 2 x 19 mm) and double (18 and 15 mm, 18 and 18 mm, 18 and 20 mm) balloons were used in 24 and 52 patients respectively.