(n.) The most common and most useful metallic element, being of almost universal occurrence, usually in the form of an oxide (as hematite, magnetite, etc.), or a hydrous oxide (as limonite, turgite, etc.). It is reduced on an enormous scale in three principal forms; viz., cast iron, steel, and wrought iron. Iron usually appears dark brown, from oxidation or impurity, but when pure, or on a fresh surface, is a gray or white metal. It is easily oxidized (rusted) by moisture, and is attacked by many corrosive agents. Symbol Fe (Latin Ferrum). Atomic weight 55.9. Specific gravity, pure iron, 7.86; cast iron, 7.1. In magnetic properties, it is superior to all other substances.
(n.) An instrument or utensil made of iron; -- chiefly in composition; as, a flatiron, a smoothing iron, etc.
(n.) Fetters; chains; handcuffs; manacles.
(n.) Strength; power; firmness; inflexibility; as, to rule with a rod of iron.
(n.) Of, or made of iron; consisting of iron; as, an iron bar, dust.
(n.) Resembling iron in color; as, iron blackness.
(n.) Like iron in hardness, strength, impenetrability, power of endurance, insensibility, etc.;
(n.) Rude; hard; harsh; severe.
(n.) Firm; robust; enduring; as, an iron constitution.
(n.) Inflexible; unrelenting; as, an iron will.
(n.) Not to be broken; holding or binding fast; tenacious.
(v. t.) To smooth with an instrument of iron; especially, to smooth, as cloth, with a heated flatiron; -- sometimes used with out.
(v. t.) To shackle with irons; to fetter or handcuff.
(v. t.) To furnish or arm with iron; as, to iron a wagon.
Example Sentences:
(1) The hypothesis that proteins are critical targets in free radical mediated cytolysis was tested using U937 mononuclear phagocytes as targets and iron together with hydrogen peroxide to generate radicals.
(2) The most successful dyes were phenocyanin TC, gallein, fluorone black, alizarin cyanin BB and alizarin blue S. Celestin blue B with an iron mordant is quite successful if properly handled to prevent gelling of solutions.
(3) These membrane perturbation effects not observed with bleomycin-iron in the presence of a hydroxyl radical scavenger, dimethyl thiourea, or a chelating agent, desferrioxamine, were correlated with the ability of the complex to generate highly reactive oxygen species.
(4) The specific activities of extracts from cells grown under phototrophic and aerobic conditions were similar and not affected by the concentration of iron in the growth media.
(5) In the 153 women to whom iron supplements were given during pregnancy, the initial fall in haemoglobin concentration was less, was arrested by 28 weeks gestation and then rose to a level equivalent to the booking level.
(6) Typically the iron-iron axis (gz) of the binuclear iron-sulfur clusters is in the membrane plane.
(7) Increased iron levels in basal ganglia were generally associated with normal or elevated levels of ferritin immunoreactivity, for example, the substantia nigra in PSP and possibly MSA, and in putamen in MSA.
(8) Lead levels in contents and shells of eggs laid by hens dosed with all-lead shot were about twice those in eggs laid by hens dosed with lead-iron shot.
(9) Dietary factors affect intestinal P450s markedly--iron restriction rapidly decreased intestinal P450 to beneath detectable values; selenium deficiency acted similarly but was less effective; Brussels sprouts increased intestinal AHH activity 9.8-fold, ECOD activity 3.2-fold, and P450 1.9-fold; fried meat and dietary fat significantly increased intestinal EROD activity; a vitamin A-deficient diet increased, and a vitamin A-rich diet decreased intestinal P450 activities; and excess cholesterol in the diet increased intestinal P450 activity.
(10) Since iron from fortified formulas is well absorbed during the first three months of life, even if it is not immediately used for hemoglobin formation, an inccrease in the iron stores will occur...
(11) Dietary intakes, measured by three 24-hour recalls, revealed that protein, iron and Vitamin C generally met or exceeded the Nutrition Recommendations for age.
(12) This is a struggle for the survival of our nation.” As ever, after Trump’s media dressing-down, his operation was quick to fit a velvet glove to an iron fist.
(13) Ten weeks of iron therapy was not, however, long enough to increase iron stores.
(14) With both approaches, carbohydrate and fat had little influence whereas egg albumin had a significant inhibitory effect on the absorption of nonheme iron.
(15) The protein quality and iron bioavailability of mechanically deboned turkey meat (MDT) and hand-deboned turkey meat (HDT) were determined in rats.
(16) Serum levels of vitamins A and E, zinc and iron were determined in healthy control subjects and lepromatous leprosy patients belonging to an eastern state of India.
(17) Ferric iron in aqueous solution was used as an iron-only control.
(18) The implications of inhibition of protein kinase C by adriamycin-iron(III) are discussed.
(19) The duodenal mucosa of genotypically normal iron replete and iron deficient mice and mice with sex-linked (sla) and microcytic anemias (mk) was examined for the presence of iron-binding proteins.
(20) Ferredoxin reductase (Fd-reductase) supplies reducing equivalents obtained from NADPH to mitochondrial cytochrome P450 enzymes via the small iron-sulfur protein ferredoxin.
Shackles
Definition:
Example Sentences:
(1) They will demand that the shackles be taken off local authorities so they can tackle a homelessness crisis.
(2) Shackles were found in the cellar, and yesterday police found a trap door.
(3) Shackling and ‘a full strip search’ On the morning of 21 October 2013, LaTonia Wilson was pulling out of her mechanic’s garage with her husband, Atheris Mann; her eldest son, Jessie Patrick; and their two-year-old son Marquise.
(4) How Chicago police used pot to disappear young people at Homan Square Read more Davis, a Democrat who represents the neighborhood that includes the Homan Square site, had until Wednesday only said publicly that he would “strongly support” a federal inquiry into what 11 detainees – in strikingly similar detailed accounts provided to the Guardian – have described as extended interrogation without access to legal counsel or their families, often while shackled.
(5) On this evidence, the shackles, in place ever since that World Cup in France, finally appear to be off.
(6) It is modern slavery enforced not through shackles and whips, but by fiddled contracts, missing permits and paperwork and the Guardian has found it happening just down the road from the desert palace of Qatar’s emir, Sheikh Tamim bin Khalifa al-Thani.
(7) Mané, in particular, has become erratic, while Tadic has suffered from the fact that opponents have studied him after his sparkling start to the campaign and increased their efforts to shackle him, partially by curtailing the ability of Southampton’s flying full-backs to support him down the flanks.
(8) Military policy Victory on Sunday will boost attempts by Abe and his fellow conservatives to further loosen the political shackles on Japan’s self-defence forces – actually a highly trained, well-equipped army, navy and air force.
(9) The NHS has experienced numerous attempts to free staff from the shackles of unnecessary paperwork to allow more time for patient care.
(10) The blindfold, shackles, threats and beatings were just the white noise of his ordeal, he says.
(11) Second, its shackled to historicism, constantly looking to the past.
(12) We face the prospect of a week of party manifestos full of reckless promises unbelieved by electors yet shackling future chancellors.
(13) It is so nice that the shackles have been taken off me and I can now fight for America the way I want to,” he tweeted .
(14) I would love to see the selection criteria for that job.’” Facebook Twitter Pinterest From a blindfolded boat ride to threats against his family members and hours shackled to Gitmo floors, Zuley’s interrogation of Mohamedou Ould Slahi shocked investigators.
(15) "He was not only able to break the shackles of bigotry and bias and hate, but he did it without internalising the battles he was fighting."
(16) In March, Gambian president Yahya Jammeh announced plans to throw off the shackles of the colonial past by discontinuing the use of English as an official language .
(17) Sir Edward Leigh, a former minister, said breaking up the coalition would be one way of showing fed-up Conservative voters that Cameron was serious about addressing their concerns, instead of being shackled to the Liberal Democrats .
(18) But even allowing for that fact, and the long-known departure of Lampard, this will undoubtedly be a summer of upheaval for last season’s champions, not least with Uefa looking increasingly likely to loosen the shackles of financial fair play.
(19) Not only are their pay and rations fixed centrally but their revenue is shackled.
(20) When she fled the violence of Honduras and settled with relatives in Atlanta, Gutiérrez, 31, met regularly with immigration officials and wore an electronic ankle shackle, so they could track her.