(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.
Piece
Definition:
(n.) A fragment or part of anything separated from the whole, in any manner, as by cutting, splitting, breaking, or tearing; a part; a portion; as, a piece of sugar; to break in pieces.
(n.) A definite portion or quantity, as of goods or work; as, a piece of broadcloth; a piece of wall paper.
(n.) Any one thing conceived of as apart from other things of the same kind; an individual article; a distinct single effort of a series; a definite performance
(n.) A literary or artistic composition; as, a piece of poetry, music, or statuary.
(n.) A musket, gun, or cannon; as, a battery of six pieces; a following piece.
(n.) A coin; as, a sixpenny piece; -- formerly applied specifically to an English gold coin worth 22 shillings.
(n.) A fact; an item; as, a piece of news; a piece of knowledge.
(n.) An individual; -- applied to a person as being of a certain nature or quality; often, but not always, used slightingly or in contempt.
(n.) One of the superior men, distinguished from a pawn.
(n.) A castle; a fortified building.
(v. t.) To make, enlarge, or repair, by the addition of a piece or pieces; to patch; as, to piece a garment; -- often with out.
(v. t.) To unite; to join; to combine.
(v. i.) To unite by a coalescence of parts; to fit together; to join.
Example Sentences:
(1) Small pieces of anterior and posterior quail wing-bud mesoderm (HH stages 21-23) were placed in in vitro culture for up to 3 days.
(2) The patient, a 12 year-old boy, showed a soft white yellowish mycotic excrescence with clear borders which had followed the introduction of a small piece of straw into the cornea.
(3) That piece was placed on the slide and embedded with a mixture of agar and antiserum.
(4) Originally from Pyongyang, the tour guide explains that a “merited artist” from Mansudae, North Korea’s biggest art studio in Pyongyang, was responsible for the main piece, but that it took 63 artists almost two years to complete.
(5) Each daughter merozoite receives a branch or piece of the parent organelle.
(6) Heads you 'own it' Ian Read, the Scottish-born accountant who runs the biggest drug firm in the US carries in his pocket a special gold coin, about the size and weight of a £2 piece.
(7) A modification of a previously described curved ruler, the current model has a hinge for greater ease of maneuverability and a "T" piece on one end to facilitate measurement and marking of both poles of the muscle without repositioning the ruler.
(8) DNA sequence analysis of a 3.8-kb genomic piece allowed identification of (i) an open reading frame (ORF) with striking homology to the previously identified D. melanogaster ORF and (ii) conserved sequence elements of possible regulatory relevance within and flanking the second intron.
(9) I could just banish the app from my phone forever, but deleting a piece of smart tech that makes my life easier doesn’t feel very satisfying.
(10) Dean Baquet, the managing editor in question, does admit in the piece that walking out was not perhaps the best thing for a senior editor like him to do.
(11) Criminal court charges leave me no choice but to resign as a magistrate Read more “This is a terrible piece of legislation introduced through the back door,” he wrote.
(12) The voltage trace is then analysed with a piece of transparent paper, on which lines corresponding to solutions of the diffusion equation convert the time axis of the voltage trace into a concentration axis.
(13) Sculthorpe’s catalogue consists of more than 350 pieces ranging from solos to orchestral works and opera.
(14) Piccoli followed that up with an opinion piece for Fairfax Media on Thursday in which said the SES model never applied to public schools and was not properly targeted to student needs.
(15) I still find that trying to weave together into a visual narrative and cutting together two pieces of a film – two different images.
(16) Each of the mice received 3 pieces of explants on the s.c. space in both of their flanks.
(17) Facebook Twitter Pinterest No shake: Donald Trump snubs Angela Merkel during photo op The piece of pantomime was in stark contrast to the visit of Theresa May in January.
(18) During each test period one group chewed a combination of one piece sorbitol and one piece sucrose flavored gum five times per day, the second group correspondingly chewed xylitol and sucrose flavored gum, while the third group served as a no hygiene control group.
(19) Pieces of spleen of both groups were fixed in formalin and embedded in paraffin.
(20) When Hayley Cropper swallows poison on Coronation Street on Monday night, taking her own life to escape inoperable pancreatic cancer, with her beloved husband, Roy, in pieces at her bedside, it will be the end of a character who, thanks to Hesmondhalgh's performance, has captivated and challenged British TV viewers for 16 years.