What's the difference between foil and roil?

Foil


Definition:

  • (v. t.) To tread under foot; to trample.
  • (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.

Roil


Definition:

  • (v.) To render turbid by stirring up the dregs or sediment of; as, to roil wine, cider, etc. , in casks or bottles; to roil a spring.
  • (v.) To disturb, as the temper; to ruffle the temper of; to rouse the passion of resentment in; to perplex.
  • (v. i.) To wander; to roam.
  • (v. i.) To romp.

Example Sentences:

  • (1) The self-described billionaire launched his campaign by referring to Mexicans as “rapists” and “killers”, the first in a series of controversial remarks that have roiled the GOP primary.
  • (2) Within six months, any stop, search or arrest by a police officer in the city – roiled by unrest in 2014 after the fatal shooting of unarmed black 18-year-old Michael Brown – must be captured on camera, according to the draft agreement with federal officials published on Wednesday.
  • (3) The issue may have roiled the political world this week, much as boasting of groping women overshadowed the previous debate, but what really distinguished the third and final television showdown of the reality TV election was the unusual amount of time both candidates devoted to attacking each other’s policies rather than each other.
  • (4) Or perhaps this latest ambush is just an excuse to resume the government’s internal warfare, which has been roiling away since January.
  • (5) Dazed survivors stand immobile in a huge, roiling cloud of dust.
  • (6) "Markets roiled" Bond traders continued to view Greek debt as hugely risky.
  • (7) Last month’s business sentiment was also weighed down by sharp declines in China’s stock market and a surprise currency devaluation that roiled markets worldwide and a devastating explosion in the busy port of Tianjin.
  • (8) The embarrassing event has the potential to torpedo the rest of President Enrique Peña Nieto’s administration and roil relations between the US and Mexico,” it said.
  • (9) The roiling is so surround sound it's hard to hear him.
  • (10) Following a month-long rout on Chinese stock markets, authorities devalued the yuan several times last week, roiling global equity markets and sparking fears of a currency war in which countries compete to boost exports by cutting the value of their currency.
  • (11) With the undocumented comprising as much as half of the uninsured population in Los Angeles, the issue has echoes of the roiling immigration debate.
  • (12) Leaders from Ferguson, Missouri , are to meet Department of Justice officials on Tuesday to discuss a federal review of their policing of the town, which was roiled by protests following the fatal shooting of an unarmed 18-year-old last year.
  • (13) The new measures come as the White House tries to both ratchet up pressure on Tehran to abandon its nuclear programme and dissuade Israel from launching a unilateral strike on Iran, a move that could roil the Middle East and jolt the global economy.
  • (14) The decision not to indict Pantaleo touched off protests that roiled the streets in New York City and beyond and raised issues of police brutality, racial equity and the efficacy of grand juries.
  • (15) The historical memory of his presidential monuments has been consumed by fantasies of small-town life but it is a landscape of whitewashed buildings against the undulating emptiness, a country roiling with dreams.
  • (16) Al-Qaida in the Arabian Peninsula has taken advantage of the political turmoil roiling Yemen.
  • (17) Rather than reach out he retreats, and roils at the fickleness of everything – entreating media boosters to validate him, telling the colleagues they have no right to desert him, while pondering who he can jettison in order to save himself.
  • (18) I’m also proud that [CPS] has moved in the opposite direction of some of the more regressive legislation that’s been passed.” Controversy is roiling over transgender students and their rights in the nations’ schools, with some schools and even whole states taking steps to force students to use facilities in conflict with their gender identity.
  • (19) Modi was ostracised for his actions, or inactions, during the Godhra riots , sectarian violence that roiled across his state for a month in 2002 in which 1,000 or more people, largely Muslim, died.
  • (20) Opinionated butchers, bakers and candlestick makers, hacks, artists and pornographers, impresarios and charlatans were now the protagonists in a roiling landscape of new ideas and opportunities.

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