iron

en-noun

iron (countable and uncountable, plural irons)

From Middle English iren, from Old English īsern, īsærn, īren, īsen, from Proto-West Germanic *īsarn, from Proto-Germanic *īsarną (“iron”), from Proto-Celtic *īsarnom (“iron”), a derivation from Proto-Indo-European *h₁ésh₂r̥ (“blood”).

For quotations using this term, see Citations:iron.

(uncountable) A common, inexpensive metal, silvery grey when untarnished, that rusts, is attracted by magnets, and is used in making steel: a chemical element having atomic number 26 and symbol Fe.


whitesmith

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A person who forges things out of tin or pewter; a tinsmith.


rust

rust (countable and uncountable, plural rusts)

From Middle English rust, rost, roust, from Old English rust, rūst (“rust”), from Proto-West Germanic *rust, from Proto-Germanic *rustaz (“rust”), from Proto-Indo-European *rudʰso- (“red”), from Proto-Indo-European *h₁rewdʰ- (“red”).
Cognate with Scots roust (“rust”), Saterland Frisian rust (“rust”), West Frisian roast (“rust”), Dutch roest (“rust”), German Rost (“rust”), Danish rust (“rust”), Swedish rost (“rust”), Norwegian rust, ryst (“rust”), Finnish ruoste, Estonian rooste. Related to red.

ҡыҙғылт көрән

qıźğılt körən

front-runner-itis runs: rust: myrtle rust

The rust on my bicycle chain made cycling to work very dangerous.

The deteriorated state of iron or steel as a result of moisture and oxidation.


blacksmith

From black (color of forged iron) + smith (related to smite)..

compound

The blacksmith may forge what Religion he pleases.

1640, I. H. [i.e., James Howell], ΔΕΝΔΡΟΛΟΓΊΑ [DENDROLOGIA]. Dodona’s Grove, or, The Vocall Forrest, London: […] T[homas] B[adger] for H. Mosley [i.e., Humphrey Moseley] […], →OCLC:

Orion hit a rabbit once; but though sore wounded it got to the bury, and, struggling in, the arrow caught the side of the hole and was drawn out.[…]. Ikey the blacksmith had forged us a spearhead after a sketch from a picture of a Greek warrior; and a rake-handle served as a shaft.

1879, R[ichard] J[efferies], chapter II, in The Amateur Poacher, London: Smith, Elder, & Co., […], →OCLC:


steel

en-noun

steel (countable and uncountable, plural steels)

From Middle English stele, stel, from Old English stīele, from Proto-West Germanic *stahlī (“something made of steel”), enlargement of *stahl (“steel”), from Proto-Germanic *stahlą, from *stah- or *stag- (“to be firm, rigid”), from Proto-Indo-European *stak- (“to stay, to be firm”). Compare Scots stele, Yola stehli.

der

One of them having occasion to use a Steele, smoothing Iron, or some such kinde of Laundry Instrument.

1638, J. Taylor, Bull, Beare, & Horse, C5:

(countable) Any item made of this metal, particularly including:


rusty

en-adj

rusty (comparative rustier, superlative rustiest)

rustier (comparative)
rustiest (superlative)

From Middle English rusty, from Old English rūstiġ (“rusty”), from Proto-Germanic *rustagaz (“rusty”), equivalent to rust + -y. Cognate with Saterland Frisian rusterch (“rusty”), West Frisian rustich, roastich (“rusty”), Dutch roestig (“rusty”), German Low German rusterig, rüsterig (“rusty”), German rostig (“rusty”), Swedish rostig (“rusty”).

better than a poke in the eye with a rusty nail

Before the match, Hodgson had expressed the hope that his players would be fresh rather than rusty after an 18-day break from league commitments because of two successive postponements.

2010 December 29, Sam Sheringham, “Liverpool 0-1 Wolverhampton”, in BBC:

Lacking recent experience, out of practice, especially with respect to a skill or activity.

занемарен

lacking recent experience, out of practice


ferro-

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Coordinate term: ferri-

(chemistry) ferrous:
Iron (the metal).
Iron of oxidation number 2.


wrought iron

Wrought iron is essentially iron that has been worked so that its carbon content is radically reduced. For the purposes of rail bridge-building in the 19th century, this proved revolutionary, and highly advantageous over the dangerously brittle properties of cast iron.

2021 March 24, Dr. Joseph Brennan, “Metallic marvels from rail's Iron Age”, in RAIL, number 927, page 57:

A tough, malleable, ductile form of iron that is forged rather than cast, suitable for welding.


ferrum

en-noun

ferrum (countable and uncountable, plural ferrums)

(homeopathy) Any of various remedies made from iron-containing compounds.


cast iron

cast iron (countable and uncountable, plural cast irons)

Derived from the casting of this form of iron. See wrought iron for comparison.

Cast iron is popular for cookware where an even heating temperature is important.

A hard and brittle, but strong, alloy of iron, carbon, and silicon, formed by casting in a mould.

չուգուն

hard, brittle alloy of iron, carbon, silicon


cast iron

en-adj

cast iron (comparative more cast iron, superlative most cast iron)

more cast iron (comparative)
most cast iron (superlative)

I use a cast iron skillet for frying pancakes.

Various forms of conductors have been invented, such as wooden and iron pipes, of a round, square, and polygonal section; but at present, scarcely any other than sheet or cast iron pipes are employed.

1851, Frederick Overman, “Blast Pipes”, in The Manufacture of Iron, in All its Various Branches. […] , 2nd edition, Philadelphia: Henry C. Baird, page 413:

The old black cast iron skillet is an important part of the batterie de cuisine.

1979 May 20, Ernest Gueymard, “Louisiana's Creole-Acadian Cuisine”, in Renaud S. Albert, editor, A Franco-American Overview, volume 1, →ISBN, page 295:

Three small gelignite bombs, with pocket watch timing devices, were concealed in packets small enough to fit through the slot of the standard cast-iron post box, the cylindrical bright red colored boxes so common throughout London.

2008, Steven P. Moysey, The Road to Balcombe Street: The IRA Reign of Terror in London, Binghamton, N.Y.: Haworth Press, →ISBN, page 58:

Ernest has a cast iron constitution and never gets sick.

Just because a pilot passes a pretty severe medical test every so often, it doesn't mean that he has a Cast Iron constitution and can fly indefinitely.

1932 January 20, Charles W. Purcell, “Stop Telling the Pilot What to Do”, in Popular Aviation, volume 10, number 1, →ISSN, page 62:

The school's cast iron policy on admissions fees left no leeway for needy students.

As far as her own theories are concerned, she is limitlessly credulous, to a degree which makes me suspect that she is a cast-iron idiot.

2016 March 19, Rod Liddle, “What makes the white working class angry? Twits like Hsiao-Hung Pai”, in The Spectator:


cacoxenite

From Ancient Greek κακός (kakós, “bad”) + ξένος (xénos, “guest”) because the phosphorous content of cacoxenite lessens the quality of iron smelted from ore containing it.

(inorganic chemistry, mineralogy) A soft phosphate of iron occurring in yellowish clumps: hydrated iron aluminum phosphate oxide: (Fe,Al)₂₅(PO₄)₁₇O₆(OH)₁₂·17H₂O.


ferric

ferric (comparative more ferric, superlative most ferric)

more ferric (comparative)
most ferric (superlative)

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From Latin ferricus, from ferrum (“iron”).

(chemistry) Of compounds of iron in which it has a valence or oxidation number of 3

fèrric

chemistry: of compounds of iron in which it has a valence or oxidation number of 3


irony

en-noun

irony (countable and uncountable, plural ironies)

First attested in 1502. From Middle French ironie, from Old French, from Latin īrōnīa, from Ancient Greek εἰρωνεία (eirōneía, “irony, pretext”), from εἴρων (eírōn, “one who feigns ignorance”).

ironi

statement that may mean the opposite of what is written literally

Irony, saying what it ne'er intends,
Censures with praise, and speaks to foes as friends.

[1835, L[arret] Langley, A Manual of the Figures of Rhetoric, […], Doncaster: Printed by C. White, Baxter-Gate, →OCLC, page 11:

(rhetoric) The quality of a statement that, when taken in context, may actually mean something different from, or the opposite of, what is written literally; the use of words expressing something other than their literal intention, often in a humorous context.

Dramatic irony: a theatrical effect in which the meaning of a situation, or some incongruity in the plot, is understood by the audience, but not by the characters in the play.

Socratic irony: ignorance feigned for the purpose of confounding or provoking an antagonist.

(informal) Contradiction between circumstances and expectations; condition contrary to what might be expected.


irony

en-adj

irony (comparative more irony, superlative most irony)

more irony (comparative)
most irony (superlative)

From Middle English hyrony, yreny, yrony, yrunny, equivalent to iron + -y.

The food had an irony taste to it.

The scrap yard had bins marked for irony aluminum, such as aluminum engine blocks not wholly cleaned of bolts, studs, brackets, and so on.

Thus in Cornwall, and many parts of Germany and France, in mineral districts, an irony appearance of a vein, where seen at the crop, is regarded as favourable.

1860, William Somerville Orr, The Circle of the Sciences, page 269:

E. W. Baker, Main St. - No odor, good appearance, slight irony taste; pressure weak. But water which had stood in wash pitcher some three or four days showed pronounced odor.

1916, Report, volume 24, New Hampshire. State Department of Health, page 256:

There can be no doubt that persistent biking robs the female limb of its graceful contour and substitutes therefore the rugged protrusive muscles, the ungainly and irony look of the masculine leg.

1919, William Cowper Brann, The Complete Works of Brann, the Iconoclast, volume 11, page 41:

It [overgrazing] eventually causes a particularly hard irony surface to the soil which is perfectly unmistakable once you have seen it , and also certain weeds which are also unmistakable once you have seen them.

1927, “Minutes of Evidence Taken Before the Royal Commission on Agriculture”, in (Please provide the book title or journal name), Great Britain. Royal Commission on Agriculture in India, page 210:

Raspberries raw, stewing, jamming, pulping, take over my house during July, overlaying the richer, more irony smell of the blackcurrant – a contralto to a soprano.

2012, Jenny Joseph, Led By The Nose: A Garden of Smells:

There was nothing left, besides just the pile of files on my desk, and the irony look on Catherine's face.


Iron Age

/ˈʌɪən eɪdʒ/

From iron + age, in the mythological sense a calque of Latin saecula ferrea, aetas ferrea; in the archaeological sense a calque of Danish jernalder.

(archaeology) A level of culture in which humans used iron and the technology of ironworking. (Estimated to have begun in Europe about 1100 BC)


pig iron

en-noun

pig iron (usually uncountable, plural pig irons)

We spent a lot of time up on the staging of the great furnaces, trying to pick up the tricks of the trade from the taciturn furnacemen who sat around placidly smoking, or chewing twist, and occasionally throwing in more pig iron to the molten white-hot metal.

1945 January and February, A Former Pupil, “Some Memories of Crewe Works—III”, in Railway Magazine, page 14:

A type of crude, brittle iron shaped like a block, unsuitable for working but suitable for casting, commonly used as an industrial raw material.


ferrous

en-adj

ferrous (comparative more ferrous, superlative most ferrous)

more ferrous (comparative)
most ferrous (superlative)

(chemistry) Of compounds of iron in which it has a valence or oxidation number of 2.


siderophile

Goldschmidt classification
Goldschmidt classification

(chemistry, geology) In the Goldschmidt classification, an element that forms alloys easily with iron and is concentrated in the Earth's core.


ferroalloy

Any alloy of iron and another metal, especially one of silicon, manganese, chromium, vanadium, tungsten, titanium and molybdenum; used in the production of specialist steels as they have a lower melting point than the pure metal.


ferrite

en-noun

ferrite (countable and uncountable, plural ferrites)

From New Latin, from Latin ferrum (“iron”) + -ite.

Technical terms like ferrite, perlite, graphite, and hardenite were bandied to and fro, and when Paget glibly brought out such a rare exotic as ferro-molybdenum, Benson forgot that he was a master ship-builder, […]

1928, Lawrence R. Bourne, chapter 4, in Well Tackled!:

The interstitial solid solution of carbon in body-centered cubic iron.

The actual hardware is obsolete; for example, the memories are of the old ferrite core type.

1986 June 6, Richard Feynman, “Personal observations on the reliability of the Shuttle”, in Presidential Commission on the Space Shuttle Challenger Accident, Report to the President:

Any of a class of metal oxides which show ferrimagnetism; used in transformers, inductors, antennas, recording heads, microwave devices, motors and loudspeakers.

(inorganic chemistry) The anion FeO₂²⁻, and any of the salts (formally derived from the unknown ferrous acid) derived from it.


jeweller's rouge

A mild red polishing abrasive made from finely ground iron oxide (rust), used by jewellers and lens-makers for finishing surfaces, and as a red pigment in paints.


iron oxide

iron oxide (countable and uncountable, plural iron oxides)

(chemistry) Either of two compounds obtained by the reaction of oxygen on iron. Generally known as rust when hydrated.


ferrate

(inorganic chemistry) The anion FeO₄²⁻ in which iron is in a +6 formal oxidation state.


ironclad

Unlike the average vehicle, cash delivery vans are ironclad and almost unstoppable.

In that flickering pallor it had the effect of a large and clumsy black insect, an insect the size of an ironclad cruiser, crawling obliquely to the first line of trenches and firing shots out of portholes in its side.

1903, The Land Ironclads, Digitized edition (Science Fiction), Project Gutenberg, published 2006:

Covered with iron, steel, or some metal; armor-plated.

The suspect had an ironclad alibi for his whereabouts on the night of the crime.

(figuratively) Solid or certain; not able to be disputed or questioned; irrefutable.


ironclad

About a couple of miles out lay an ironclad very low in the water, almost, to my brother's perception, like a water-logged ship. This was the ram Thunder Child.

1898, H.G. Wells, The War of the Worlds, London: William Heinemann, page 178:

(military) An armor-plated warship, (especially) one preceding the invention of harveyized steel.


siderocyte

An abnormal red blood cell that has iron granules that are not part of the hemoglobin.


ferri-

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Coordinate term: ferro-

(chemistry) ferric:
Iron (the metal).
Iron of oxidation number 3.


delta iron

delta iron (usually uncountable, plural delta irons)


ferrocene

Any of a class of metallocenes containing an iron atom between two cyclopentadienyl rings; especially the simplest of the class bis-cyclopentadienyl iron.


iron-sulfur cluster

iron-sulfur cluster (plural iron-sulfur clusters)

(biochemistry) A unit comprising two or more iron atoms and bridging sulfur ligands in an iron-sulfur protein.


iron-sulfur protein

iron-sulfur protein (plural iron-sulfur proteins)

(biochemistry) any protein in which iron is coordinated with cysteine sulfur and sometimes also with inorganic sulfur; they have electron transfer and enzymatic function


hemochromatosis

hemochromatosis (countable and uncountable, plural hemochromatoses)

/ˌhiːmə(ʊ)ˌkɹəʊməˈtəʊsɪs/

From hemo- (“blood”) + chromat- (“color”) + -osis (“disease”), from the changing color of blood affected by the disorder.

affix

Sometimes, it’s not the potential for big profits that restricts access to a gene test, but just the opposite-lack of commercial incentive. In 1996, a Stanford University research team found the gene for hemochromatosis, a little-known disease in which the blood absorbs abnormally high levels of iron from the diet.

2001, Arthur Allen, “Who Owns My Disease?”, in Mother Jones:

She flips another page and says, “Oh, now this is interesting.” Apparently I carry one of the two genetic mutations required to develop hemochromatosis, an iron-overload disorder that destroys the liver.

2005, Michael Rosenwald, “Will You Be Able to Predict—And Prevent—Your Disease?”, in Popular Science, volume 267, number 3, page 63:

Even if the two diseases in such a pair are clinically dissimilar, the primary pathophysiological events could overlap substantially (e.g., increased intestinal iron absorption in nutritional anemia and hemochromatosis).

2012, Mohammadali M. Shoja, R. Shane Tubbs, Alireza Ghaffari, Marios Loukas, Paul S. Agutter, “Rethinking the Origin of Chronic Diseases”, in BioScience, volume 62, number 5, Oxford UP, →DOI, page 470:

(pathology) A metabolic disorder causing iron deposits in the body, also called bronze diabetes.


ferrosilicon

An alloy of iron and silicon used in steelmaking.


ironstone

en-noun

ironstone (countable and uncountable, plural ironstones)

During my stay at Kamalia there was a smelting furnace at a short distance from the hut where I lodged, and the owner and his workmen made no secret about the manner of conducting the operation, and readily allowed me to examine the furnace, and assist them in breaking the ironstone.

1815, Mungo Park, chapter XXI, in Travels in the Interior of Africa, volume II, Cassell, published 1893:

The trees like this barren ironstone formation. It's well they do, for nothing else does.

1924, D. H. Lawrence, chapter 3, in The Boy in the Bush, New York: Viking, published 1972, page 41:

While I listen I sniff in the cordite fumes. Ironstone chipped against ironstone invokes a spark and a wisp of the same heady smoke.

1977, J. M. Coetzee, In the Heart of the Country, Penguin, published 1982, page 61:

Just before Bloworth Crossing, you'll walk a short distance along the trackbed of the old mineral railway that connected the old ironstone mines at Rosedale with the blast furnaces of Middlesbrough.

2019, Alan Staniforth, Cleveland Way, page 64:

Any ore of iron which is impure through the admixture of silica or clay.


ironwork

ironwork (countable and uncountable, plural ironworks)

From Middle English ironwerk, irynwerk, equivalent to iron + -work.


Berlin green

Berlin green (countable and uncountable, plural Berlin greens)

(organic chemistry) Ferric ferricyanide; a complex cyanide with a structure similar to that of Prussian blue, used as a green dye.


siderophore

From sidero- + -phore, literally iron carrier.

(biochemistry) Any medium-sized molecule that has a high specificity for binding or chelating iron; they are employed by microorganisms to obtain iron from the environment


space factor

(in an electromagnetic coil) The ratio of the volume occupied by the wire in the winding, or the iron in the core, to the total volume of the winding or the core


bog iron

(geology) deposits of mixed oxides and hydroxides of iron formed when iron-bearing groundwater emerges onto the surface


grundy

Derived from Mrs. Grundy, a prudish character from the play Speed the Plough (1798) by the English playwright Thomas Morton.

A narrow-minded person or group that is overly concerned with censoring or criticizing personal conduct.

Spießer

narrow-minded person(s), censoring personal conduct

Spießigkeit

the tendency of society to criticize personal conduct


steelworks

A place where steel is manufactured and/or shaped.


ductile iron

ductile iron (countable and uncountable, plural ductile irons)

A form of cast iron with nodular graphite inclusions, having many industrial applications.


steelyard

From steel + yard (“enclosed area, rod”).
The sense of “place” is a calque of Dutch staalhof or Middle Low German Stalhof (Modern Dutch staal (“steel”) + hof (“court, yard”)).
The sense of “balance” is presumably from the sense of “place”, originally “steelyard beam”, mixed with additional sense of “rod” (hence “rod for weighing steel”), replacing earlier Latin statera.

A place where steel (and possibly other metals as well) is stored and sold.


hematite

hematite (usually uncountable, plural hematites)

From Middle French hematite, from Latin (lapis) haematites, from Ancient Greek αἱματίτης (haimatítēs) λίθος (líthos, “blood-red stone”), from αἷμα (haîma, “blood”). By surface analysis, hemat- + -ite.

Coordinate term: magnetite

(mineralogy) An iron ore, mainly peroxide of iron, Fe₂O₃: iron(III) oxide.


steel wool

steel wool (countable and uncountable, plural steel wools)

Don’t use the steel wool on this pan; you’ll strip off the Teflon coating.

Fine strips or threads of steel, usually formed into pads or balls and used as an abrasive.


iron(II) oxide

Coordinate term: iron(III) oxide

(chemistry) The chemical compound FeO: the iron oxide in which iron has a valence of +2.


ferrous oxide

(chemistry) The chemical compound FeO, iron oxide where iron has a valence of +2.


ferric oxide

(chemistry) The chemical compound Fe₂O₃, iron oxide where iron has a valence of +3.


iron(III) oxide

af

translingual <i class="Latn mention" lang="mul">III</i>

Coordinate term: iron(II) oxide

(chemistry) The chemical compound Fe₂O₃: the iron oxide in which iron has a valence of +3.


bog iron ore

(geology) Deposit of porous, impure limonite found in bogs and swamps.


hyperferremia

(pathology) The medical condition of having too much iron in the blood.


ferromanganese

An alloy, of iron and manganese, used in the manufacture of steel


ferrocenium

(organic chemistry) The univalent cation [Fe(C₅H₅)₂]⁺ obtained by the oxidation of ferrocene


hemosiderin

en-noun

hemosiderin (countable and uncountable, plural hemosiderins)

(biochemistry) An abnormal microscopic pigment, formed of granules of a complex of iron hydroxides, protein and polysaccharides, that forms in tissues of patients having an excess of iron


siderosis

siderosis (countable and uncountable, plural sideroses)

en:type of pneumoconiosis from inhalation of iron dust

(medicine) A form of pneumoconiosis caused by the inhalation of iron dust.

sideroosi

(medicine) The accumulation of hemosiderin in various organs of the body by people with a diet rich in iron.


vanadium steel

vanadium steel (countable and uncountable, plural vanadium steels)

Any of a range of alloys of vanadium and steel having improved strength and high-temperature stability


radiometal

magnetic permeability
magnetic permeability

Any of several alloys, mostly of nickel and iron, that have a high magnetic permeability


sidero-

From Ancient Greek σίδηρος (sídēros, “iron”).

Related to iron or steel, as in siderosis (fibrosis caused by iron deposits)


ferruginous

en-adj

ferruginous (comparative more ferruginous, superlative most ferruginous)

more ferruginous (comparative)
most ferruginous (superlative)

Borrowed from Latin ferrūgineus, from ferrūgo (“rust”).


ferriferous

ferriferous (comparative more ferriferous, superlative most ferriferous)

more ferriferous (comparative)
most ferriferous (superlative)

a ferriferous rock


kidney ore

en-noun

kidney ore (countable and uncountable, plural kidney ores)

(mineralogy) Hematite in a reniform habit.


iron ore

iron ore (countable and uncountable, plural iron ores)

(mining) A mineral deposit from which iron can be viably extracted.


ironworking

The making of useful or decorative items from iron.


oxyferryl

(chemistry, especially in combination) A radical containing ferryl iron and an oxygen atom Feᴵⱽ-O; found especially in forms of heme


ferryl

(inorganic chemistry) describing compounds of iron in which it has a valence or oxidation number of 4.


steelmaking

The principal raw material in steelmaking is iron ore.

1963 June, B. Perren, “Colvilles iron ore traffic in the Glasgow area”, in Modern Railways, page 409:

Iron ore producers are facing the first price fall for annual contracts in seven years as demand weakens for steelmaking inputs.

2009 February 4, Ben Sharples, “Rebound is close: Forrest”, in Herald Sun, archived from the original on 2009-02-05:


austenite

After William Chandler Roberts-Austen (1843-1902).

A solid solution of carbon or ferric carbide in iron that exists in steel at high temperatures.


sideroblast

sideroblastic anaemia
sideroblastic anaemia

An erythroblast with stainable iron granules in its cytoplasm seen in cases of sideroblastic anaemia.


cementite

cementite (countable and uncountable, plural cementites)

(inorganic chemistry) A form of iron carbide, Fe₃C, that is a component of steel.


siderurgy

From sidero- + -urgy, after Ancient Greek σιδηρουργός (sidērourgós). Compare Italian, Portuguese, Spanish siderurgia, Catalan siderúrgia and French sidérurgie.


austemper

en-verb

austemper (third-person singular simple present austempers, present participle austempering, simple past and past participle austempered)

austempers (present singular third-person)
austempering (participle present)
austempered (participle past)
austempered (past)

(transitive) To harden (a metal) and produce a stronger microstructure by heating it into the austenite region and then immediately quenching and removing any bainite and ausferrite.


organoiron

(organic chemistry) Describing any organic compound containing a carbon to iron bond.


gray iron

en-noun

gray iron (countable and uncountable, plural gray irons)

An alloy of iron, carbon, and silicon that contains 1.7 to 4.5% carbon and 1 to 3% silicon.


white iron

white iron (countable and uncountable, plural white irons)

A kind of cast iron that contains carbon as cementite, unlike gray iron, which contains carbon as graphite.


(physics) A minor stable isotope of iron, ⁵⁴₂₆Fe, having 26 protons and 28 neutrons; it amounts to about 6% of the element in nature


(physics) A minor stable isotope of iron, ⁵⁸₂₆Fe, having 26 protons and 32 neutrons; it amounts to about 0.3% of the element in nature


(physics) The major stable isotope of iron, ⁵⁶₂₆Fe, having 26 protons and 30 neutrons; it amounts to about 92% of the element in nature


(physics) A minor stable isotope of iron, ⁵⁷₂₆Fe, having 26 protons and 31 neutrons; it amounts to about 2% of the element in nature


angle iron

The homestead […] was of corrugated iron on an angle-iron frame.

1938, Xavier Herbert, chapter VII, in Capricornia, page 92:

A length of iron or steel, having an L-shaped cross section, used as a structural support


coronium

From corona + -ium, coined by a certain A. Gruenwald.

(historical) A supposed chemical element, hypothesized in the 19th century in order to explain a green emission line seen during the total solar eclipse of 7 August 1869 (actually highly ionized iron).


gamma iron

(metallurgy) An allotrope of iron which is stable at high temperatures. It is used in the manufacture of austenite.


iron carbide

(metallurgy) A compound of iron with carbon (Fe₃C).


nickel steel

nickel steel (countable and uncountable, plural nickel steels)

(chemistry, industrial) steel that contains approximately 6% of nickel, increasing its strength


ironmaster

Thirdly, it incorporated Samuel Homfray, Richard Fothergill, Matthew Monkhouse, William Thompson, and William Forman, ironmasters, (described in the Act as intended lessees of the Tredegar Iron Works) as the Sirhowy Tramroad Company, with powers to make, at their own expense, the portion of the proposed tramroad from Sirhowy Furnaces to Nine Mile Point;

1939 September, Charles E. Lee, “The Sirhowy Valley and its Railways—I”, in Railway Magazine, page 206:


ironshot

en-adj

ironshot (comparative more ironshot, superlative most ironshot)

more ironshot (comparative)
most ironshot (superlative)

(geology) streaked, speckled, or marked with iron or an iron ore


ferric acid

(inorganic chemistry) A hypothetical acid, with chemical formula H₂FeO₄, known only as its salts.


hexaferrum

(mineralogy) A hexagonal-dihexagonal dipyramidal yellowish steel gray mineral containing iridium, iron, osmium, and ruthenium.


ironish

ironish (comparative more ironish, superlative most ironish)

more ironish (comparative)
most ironish (superlative)

an ironish taste

1691, [Anthony Wood], Athenæ Oxonienses. An Exact History of All the Writers and Bishops who have had Their Education in the Most Ancient and Famous University of Oxford from the Fifteenth Year of King Henry the Seventh, Dom. 1500, to the End of the Year 1690. […], volume (please specify |volume=I or II), London: […] Tho[mas] Bennet […]:


hemosiderosis

en-noun

hemosiderosis (usually uncountable, plural hemosideroses)

/ˌhiːməʊsɪdəˈɹəʊsɪs/

(pathology) An abnormal deposit of hemosiderin


iron-sick

en-adj

iron-sick (comparative more iron-sick, superlative most iron-sick)

more iron-sick (comparative)
most iron-sick (superlative)

(nautical) Denoting ironwork that loose or corroded; said of a ship where the bolts and nails are so degraded with rust as to cause leaks.


ferriprive

ferriprive (comparative more ferriprive, superlative most ferriprive)

more ferriprive (comparative)
most ferriprive (superlative)

(pathology) Suffering from a deficiency of iron


sideroscope

An instrument for detecting small quantities of iron in any substance by means of a delicate assembly of magnetic needles.


sideromancy

divination by studying the burning of straws on heated iron.


iron mine

A mine from which iron ore or ferriferous minerals are mined.


Bessemer steel

en-noun

Bessemer steel (countable and uncountable, plural Bessemer steels)

Named after Sir Henry Bessemer, the English engineer who invented the process.

Steel made directly from cast iron by burning out a portion of the carbon and other impurities that the latter contains, through the agency of a blast of air which is forced through the molten metal.


sideropenia

sideropenia (usually uncountable, plural sideropenias)


bog ore

The branch of the County Donegal Railways Joint Committee from Stranorlar to Glenties was closed to all traffic on March 10. Passenger services were withdrawn on December 13, 1947, but the line remained open for the carriage of fuel, livestock and bog ore.

1952 May, “Notes and News: Stranorlar-Glenties Branch, C.D.R.J.C.”, in Railway Magazine, page 351:


iron meteorite

(geology) Any of a class of meteorite that is composed mostly of iron and nickel alloys


plasteel

Grunting, he heaved to his feet and looked out the lucilite port at the surface of Saturn. Cold and rugged it was, lashed by furious gales that tore with futile fury at the plasteel dome which Elmer Dunk called home.

1942 March, Gord Peck, “He Was Poor...But He Was Honest”, in Censored, volume 1, number 3, St. Andrew's College, Aurora, page 7:

The passage, two paces deep, opened through a heavy door into a square office lighted by golden glowglobes. Jessica passed her hand across the door as she entered, was startled to identify plasteel.

(science fiction) A fictional durable substance.


siderophage

A macrophage that has absorbed iron-containing particles, occurring in victims of certain kinds of heart attacks.


iron liquor

A solution of iron acetate, used as a mordant by dyers.


iron scale

The thin film that forms on the surface of wrought iron in the process of forging. It consists essentially of the magnetic oxide of iron.


iron sand

iron sand (countable and uncountable, plural iron sands)

Alternative form of ironsand (“sand with iron content”)

An iron ore in grains, usually the magnetic iron ore, formerly used to sand paper after writing.


iron mould

The yellow discoloration of cloth by rusty iron.


metallurgical coal

metallurgical coal (countable and uncountable, plural metallurgical coals)

The type of coal used for the making of steel.


siderolithic

(geology) Characterized by iron minerals in grains or pisoliths.


wire wool

wire wool (countable and uncountable, plural wire wools)

Coordinate term: wool

Any of several wools made of metal wire; especially, steel wool (when not otherwise specified).


black diamond

black diamond (countable and uncountable, plural black diamonds)


bronze steel

A hard tough alloy of tin, copper, and iron, formerly used for guns.


steel mill

An industrial facility that produces or processes steel.


ferric chloride

an inorganic compound with the formula FeCl₃.


oceanium

(obsolete) A supposed chemical element, thought to be the one with atomic number 72 (now known as hafnium), but later identified as a mixture of aluminium, iron, and titanium.


sideremia

(physiology, medicine) The presence of iron in the blood serum (which is always true, in some amount or other).

en:any degree of iron in the blood
en:excess iron in the blood

(physiology, medicine) The presence of excess iron in the blood serum.


siderosome

Siderosomes contain aggregates of hemosiderin and may be derived from lysosomes.

It is now clear that the Prussian-blue-positive haemosiderin granule of the light microscopist represents either a large siderosome, a clump of smaller siderosomes or compounds siderosomes.

2013, Feroze N. Ghadially, ltrastructural Pathology of the Cell and Matrix, →ISBN:

A microscopic body containing aggregates of hemosiderin particles bound in a single membrane.


Bessemer iron

Bessemer iron (countable and uncountable, plural Bessemer irons)

pig iron suitable for making Bessemer steel


ferromanganous

Relating to, or composed of ferromanganese


sideramine

(organic chemistry) Any of a group of fungal amines that bind ferric iron


iron clay

A yellowish clay containing a large quantity of iron ore.


oxoferryl

(inorganic chemistry) Relating to high-valent iron ions directly bonded to oxygen


iron(II) chloride

ferrous chloride
ferrous chloride#English


ferrous chloride

(inorganic chemistry) An inorganic compound with the formula FeCl₂.

vas(II)-klorid

an inorganic compound with the formula FeCl2


iron fall

an iron meteorite, especially one whose descent was observed.


cast steel

cast steel (countable and uncountable, plural cast steels)

(countable, uncountable) The steel making up a steel casting, in the sense of one cast to finished (net) or near-net shape: the product of a steel foundry (as opposed to a steel mill); the steel counterpart to cast iron.


iron buff

A yellow ancient artificial iron oxide made by oxidating iron in vinegar, one of the oldest man-made pigments, often used in staining textiles.


biferrocene

(organic chemistry) A chemical compound formed by joining two molecules of ferrocene.


biferrocenium

(organic chemistry, in combination) A cation derived from biferrocene.


iron deficiency

(medicine) The state in which a body lacks enough iron to supply its needs.


hyposideremic

en-adj

hyposideremic (comparative more hyposideremic, superlative most hyposideremic)

more hyposideremic (comparative)
most hyposideremic (superlative)

By surface analysis, hypo + sider(o)- + -emia + -ic.


hypersideremic

en-adj

hypersideremic (comparative more hypersideremic, superlative most hypersideremic)

more hypersideremic (comparative)
most hypersideremic (superlative)

Relating to, or exhibiting, hypersideremia.


hypersideremia

By surface analysis, hyper- + sider(o)- + -emia.