(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.
Truncheon
Definition:
(n.) A short staff, a club; a cudgel; a shaft of a spear.
(n.) A baton, or military staff of command.
(n.) A stout stem, as of a tree, with the branches lopped off, to produce rapid growth.
(v. t.) To beat with a truncheon.
Example Sentences:
(1) In the police's own footage of what followed, shown in court, mounted officers with batons drawn can be seen charging into miners, and officers on foot beat miners about the head with truncheons.
(2) Camouflaged riot police bearing rubber truncheons hold back protesters begging the tsar for bread.
(3) People forget that you were very young and yet public enemy No 1, at the centre of incidents such as going on Bill Grundy's show and the police arriving with truncheons.
(4) I don't want to get hit in the face with a truncheon.
(5) Some 20 officers were seen brutally beating one protester with truncheons.
(6) The BBC showed miners throwing stones and other missiles at the police, followed by mounted officers charging into them, and then officers chasing miners, some clearly being hit over the head with truncheons.
(7) Arthur Critchlow, who suffered a fractured skull from a police truncheon and was arrested, held on remand and prosecuted for rioting – for which he was acquitted with 94 others – told the home secretary that his community has never trusted the police since.
(8) Excerpts On police uniforms "Having gone truncheons to tasers in a generation, I have to wonder what purpose the current police service has been built for ... we are mostly approachable and pleasant people, it's just that we dress like Imperial Stormtroopers.
(9) Miners, fighting to protect jobs in pits that were subsequently closed down after the strike was defeated, were truncheoned over the head, then several spent time in prison on remand, fearing very long sentences, while awaiting trial.
(10) The worst scenes of violence in the miners' dispute broke out at the Orgreave coking plant near Rotherham, Yorkshire, yesterday with cars being burned, stones, bricks and bottles being hurled, and policemen lashing out with truncheons.
(11) Truncheon-wielding police attacked the crowds after a small number of people – provocateurs, according to the opposition – broke windows and doors in a government building.
(12) On the other side of the ticket barrier a younger man is whacked with truncheons by two policemen.
(13) Soon afterwards the police gave up, handing their helmets, truncheons and shields to the crowd.
(14) There’s a reputational risk as well as financial risk Jerry Petherick, G4S Prison officers in Oakwood are not armed with truncheons, as they often are in state-run jails, but wear body cameras attached to a strip on their right shoulder – an innovation that has proved very successful, both at de-escalation of violent incidents (“As soon as they see the camera recording they swear a few times, and they calm down,” a guard says) and when recording the effects of overdosing on black mamba.
(15) In the latest of several protests by opposition activists who say their leader will be denied a fair chance at next year’s election, police fired teargas and beat demonstrators with truncheons on Monday to stop them storming the offices of the electoral commission in Nairobi.
(16) Over Friday night police in Kiev broke up the remnants of the anti-government demonstration , swinging truncheons and injuring many, news agencies and witnesses said.
(17) Masked men with truncheons and shields were seen at the entrance to the building as a crowd of about 400 people surrounded it, while police stood nearby but did not intervene.
(18) A police procedural that is much more than the sum of its parts – The Thick of It with truncheons, basically.
(19) "We do not want to be kept quiet by a policeman's truncheon," heavyweight boxer and opposition leader Vitali Klitschko told the crowd.
(20) He said: "And the Syrians seem to be taking a different approach as well, one that makes widespread use of firearms, while the Iranians have generally armed their internal security forces with less lethal means, such as teargas, truncheons, chains, and the like, to reduce the lethality of their response, and to scare off the more faint-hearted among the opposition.