(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.
Shade
Definition:
(n.) Comparative obscurity owing to interception or interruption of the rays of light; partial darkness caused by the intervention of something between the space contemplated and the source of light.
(n.) Darkness; obscurity; -- often in the plural.
(n.) An obscure place; a spot not exposed to light; hence, a secluded retreat.
(n.) That which intercepts, or shelters from, light or the direct rays of the sun; hence, also, that which protects from heat or currents of air; a screen; protection; shelter; cover; as, a lamp shade.
(n.) Shadow.
(n.) The soul after its separation from the body; -- so called because the ancients it to be perceptible to the sight, though not to the touch; a spirit; a ghost; as, the shades of departed heroes.
(n.) The darker portion of a picture; a less illuminated part. See Def. 1, above.
(n.) Degree or variation of color, as darker or lighter, stronger or paler; as, a delicate shade of pink.
(n.) A minute difference or variation, as of thought, belief, expression, etc.; also, the quality or degree of anything which is distinguished from others similar by slight differences; as, the shades of meaning in synonyms.
(v. t.) To shelter or screen by intercepting the rays of light; to keep off illumination from.
(v. t.) To shelter; to cover from injury; to protect; to screen; to hide; as, to shade one's eyes.
(v. t.) To obscure; to dim the brightness of.
(v. t.) To pain in obscure colors; to darken.
(v. t.) To mark with gradations of light or color.
(v. t.) To present a shadow or image of; to shadow forth; to represent.
Example Sentences:
(1) Snooker, which became and remains a fixture in the BBC2 schedules, was chosen for showing because it is the sport in which different shades are most significant.
(2) It contains 10,000 apartments so far, in blocks that might appear Soviet but for shades of blue, green and yellow.
(3) The shading of the optoelectronic system had a coefficient of variation (CV) of 1.42% for measurements in the center of the displayed area, but a CV of 3.55% for measurements over the whole monitor area.
(4) The observed clinical findings include scarring of the face and hands (83.7%), hyperpigmentation (65%), hypertrichosis (44.8%), pinched facies (40.1%), painless arthritis (70.2%), small hands (66.6%), sensory shading (60.6%), myotonia (37.9%), cogwheeling (41.9%), enlarged thyroid (34.9%), and enlarged liver (4.8%).
(5) The observers ranked three-dimensional shaded images higher than the other types, with three-dimensional volumetric images second and three-dimensional surface images ranked third.
(6) Would it best best to risk a Great Reform Bill (shades of 1832) - or would piecemeal reform be best, some wonder?
(7) Days and Nights in the Forest , which began as a comedy about Calcuttan gents on safari for aboriginal villagers, before shading into something almost too dark for my comprehension.
(8) From these data, three graphs are derived, including trends in age-standardised rates, age-specific rates centered on birth cohorts and maps plotted in different shades of grey to represent the surfaces defined by the matrix of various age-specific rates.
(9) He is wary of pretension, alive to all shades of irony.
(10) But among the football-faith community the legendary Anfield Road stadium is not considered a sacred site for nothing, and on this memorable night everyone felt what mighty magic can be summoned here.” Describing the match as “a classic in the illustrious history of these two clubs for years to come”, the commentator Daniel Theweleit also believed that the atmosphere at Anfield put Dortmund’s own famed fan culture into the shade: “Even those who have watched the club for centuries agreed that Dortmund has never achieved this kind of intensity.” Munich-based Süddeutsche Zeitung found satisfaction in seeing the German coach Jürgen Klopp exporting his magic touch across the Channel.
(11) Additionally, the silver staining properties of the Duracryl matrix result in proteins appearing as monochromatic shades of grey instead of red, brown and yellow, as is the case of conventional polyacrylamide matrices.
(12) Over 400 people and 100 boats were stranded in temperatures of about 40C, with little shade.
(13) On one side of the road stands an orderly row of RDP houses, their gable ends neatly rendered in pastel shades of peach and tangerine.
(14) Data received was converted to Munsell notation for evaluation of the dimensions of color, i.e., Hue, Chroma, and Value, as related to (1) shade differences, (2) thickness of porcelain, and (3) numbers of firings.
(15) Dik-dik antelopes lost about 50% more heat evaporatively when exposed to the sun compared to the shade at an ambient temperature (Ta) of 28 degrees C or a Ta of 40 degrees C in a climatic chamber.
(16) OK, so it wouldn't beat London's MeatLiquor in a fight, but it'd certainly knock seven shades out of Shake Shack and Five Guys with both hands tied behind its back.
(17) It’s not easy to kick well in frigid conditions – and the temperature before kickoff was just shade over 20F.
(18) Hoodies don't vote, they've realised it's pointless, that whoever gets elected will just be a different shade of the "we don't give a toss about you" party.
(19) Different segmentation techniques can be used, as well as shading algorithms that give greatly improved appearances.
(20) Meanwhile, the first images are emerging of what the Fifty Shades movie may actually look like, after Entertainment Weekly published a string of "character shots" , featuring actors Dakota Johnson and Dornan in their roles of Anastasia Steele and Christian Grey respectively.