Définition iron | dictionnaire anglais définition synonymes Reverso

Collins

iron  


      n  
1   
a    a malleable ductile silvery-white ferromagnetic metallic element occurring principally in haematite and magnetite. It is widely used for structural and engineering purposes. See also steel, cast iron, wrought iron, pig iron. Symbol: Fe; atomic no.: 26; atomic wt.: 55.847; valency: 2,3,4, or 6; relative density: 7.874; melting pt.: 1538°C; boiling pt.: 2862°C  
   Related adjs       ferric       ferrous  
  
Related prefix  
    ferro-  
b    (as modifier)  
iron railings     
2    any of certain tools or implements made of iron or steel, esp. for use when hot  
a grappling iron, a soldering iron     
3    an appliance for pressing fabrics using dry heat or steam, esp. a small electrically heated device with a handle and a weighted flat bottom  
4    any of various golf clubs with narrow metal heads, numbered from 1 to 9 according to the slant of the face, used esp. for approach shots  
a No. 6 iron     
5       an informal word for       harpoon       1  
6      (U.S.)  
slang   a splintlike support for a malformed leg  
7    great hardness, strength, or resolve  
a will of iron     
8      (Astronomy)      short for       iron meteorite  
9       See       shooting iron  
10    strike while the iron is hot   to act at an opportune moment  
      adj  
11    very hard, immovable, or implacable  
iron determination     
12    very strong; extremely robust  
an iron constitution     
13    cruel or unyielding  
he ruled with an iron hand     
14    an iron fist   a cruel and unyielding attitude or approach  
   See also       velvet       6  
      vb  
15    to smooth (clothes or fabric) by removing (creases or wrinkles) using a heated iron; press  
16    tr   to furnish or clothe with iron  
17    tr  
Rare   to place (a prisoner) in irons,   (See also)        iron out       irons  
     (Old English iren; related to Old High German isan, Old Norse jarn; compare Old Irish iarn)  
  ironer      n  
  ironless      adj  
  ironlike      adj  


alpha iron  
      n   a magnetic allotrope of iron that is stable below 910°C; ferrite  
angle iron  
      n  
1      (Also called)    angle, angle bar   an iron or a steel structural bar that has an L-shaped cross section  
2    any piece of iron or steel forming an angle, esp. a right angle  
beta iron  
      n   a nonmagnetic allotrope of pure iron stable between 770°C and 910°C  
cast iron  
      n  
1    iron containing so much carbon (1.7 to 4.5 per cent) that it cannot be wrought and must be cast into shape  
      adj  
  cast-iron  
2    made of cast iron  
3    rigid, strong, or unyielding  
a cast-iron decision     
channel iron   , bar  
      n   a rolled-steel bar with a U-shaped cross section,   (Sometimes shortened to)    channel  
corrugated iron  
      n   a thin structural sheet made of iron or steel, formed with alternating ridges and troughs  
delta iron  
      n   an allotrope of iron that exists between 1400°C and the melting point of iron and has the same structure as alpha iron  
galvanized iron   , galvanised iron  
      n     (Building trades)   iron, esp. a sheet of corrugated iron, covered with a protective coating of zinc  
gamma iron  
      n   an allotrope of iron that is nonmagnetic and exists between 910°C and 1400°C  
gem iron  
      n     (N.Z.)   a heavy, usually cast-iron oven dish used for baking small cakes (gems)  
grappling iron   , hook  
      n   a grapnel, esp. one used for securing ships  
grozing iron  
      n   an iron for smoothing joints between lead pipes  
     (C17: part translation of Dutch gruisijzer, from gruizen to crush, from gruis gravel + yzer iron)  
ingot iron  
      n   a type of steel containing a small amount of carbon and very small quantities of other elements  
iron age  
      n     (Classical myth)   the last and worst age in the history of the world  
Iron Age  
      n  
a    the period following the Bronze Age characterized by the extremely rapid spread of iron tools and weapons, which began in the Middle East about 1100 b.c.  
b    (as modifier)  
an Iron-Age weapon     
Iron Chancellor  
      n      the. nickname of (Prince Otto Eduard Leopold von)       Bismarck  
Iron Cross  
      n   the highest decoration for bravery awarded to the German armed forces in wartime: instituted in 1813  
Iron Curtain  
      n  
a    (formerly) the guarded border between the countries of the Soviet bloc and the rest of Europe  
b    (as modifier)  
Iron Curtain countries     
Iron Duke  
      n      the. nickname of (1st Duke of)       Wellington  
Iron Gate   , Iron Gates  
      n   a gorge of the River Danube on the border between Romania and Yugoslavia. Length: 3 km (2 miles),   (Romanian name)    Portile de Fier  
iron glance  
      n      another name for       haematite  
iron grey  
      n  
a    a neutral or dark grey colour  
b    (as adj.)  
iron-grey hair     
Iron Guard  
      n   a Romanian fascist party that ceased to exist after World War II  
iron hand  
      n   harsh or rigorous control; overbearing or autocratic force  
he ruled with an iron hand     
iron horse  
      n  
Archaic   a steam-driven railway locomotive  
iron lung  
      n  
1    an airtight metal cylinder enclosing the entire body up to the neck and providing artificial respiration when the respiratory muscles are paralysed, as by poliomyelitis  
2      (Irish)  
informal   a gas container used in dispensing beer  
iron maiden  
      n   a medieval instrument of torture, consisting of a hinged case (often shaped in the form of a woman) lined with iron spikes, which was forcibly closed on the victim  
iron man  
      n     (Austral)   an event at a surf carnival in which contestants compete at swimming, surfing, running, etc.  
iron meteorite  
      n   a meteorite that is composed mainly of iron and nickel  
iron out  
      vb   tr, adv  
1    to smooth, using a heated iron  
2    to put right or settle (a problem or difficulty) as a result of negotiations or discussions  
3      (Austral)  
informal   to knock unconscious  
iron pan  
      n     (Geology)   a hard layer of precipitated iron salts often found below the surface of sands and gravels  
iron pyrites  
      n      another name for       pyrite  
iron rations  
      pl n   emergency food supplies, esp. for military personnel in action  
   See also       K ration  
lily iron  
      n   a harpoon, the head of which is detachable  
     (C19: from the shape of its shaft, which resembles lily leaves)  
malleable iron  
      n  
1      (Also called)    malleable cast iron   cast iron that has been toughened by gradual heating or slow cooling  
2       a less common name for       wrought iron  
pig iron  
      n   crude iron produced in a blast furnace and poured into moulds in preparation for making wrought iron, steels, alloys, etc.  
pump iron  
      vb   intr  
Slang   to exercise with weights; do body-building exercises  
shooting iron  
      n     (U.S.)  
slang   a firearm, esp. a pistol  
smoothing iron  
      n      a former name for       iron       2, 3  
soft iron  
      n  
a    iron that has a low carbon content and is easily magnetized and demagnetized with a small hysteresis loss  
b    (as modifier)  
a soft-iron core     
soldering iron  
      n   a hand tool consisting of a handle fixed to a copper tip that is heated, electrically or in a flame, and used to melt and apply solder  
steam iron  
      n   an electric iron that emits steam from channels in the iron face to facilitate the pressing and ironing of clothes, etc., the steam being produced from water contained within the iron  
toggle iron  
      n   a whaling harpoon with a pivoting barb near its head to prevent a harpooned whale pulling free,   (Also called)    toggle harpoon  
wrought iron  
      n  
a    a pure form of iron having a low carbon content and a fibrous microstructure. It is made by various processes and is often used for decorative work  
b    (as modifier)  
wrought-iron gates     
Dictionnaire anglais Collins English definition-Thesaurus  
Collins

iron  


      adj  
1    chalybeate, ferric, ferrous, irony  
2      (figurative)   adamant, cruel, hard, heavy, immovable, implacable, indomitable, inflexible, obdurate, rigid, robust, steel, steely, strong, tough, unbending, unyielding  
  
Antonyms     
  
2    bending, easy, flexible, light, malleable, pliable, soft, weak, yielding  


iron out     
clear up, eliminate, eradicate, erase, expedite, get rid of, harmonize, put right, reconcile, resolve, settle, simplify, smooth over, sort out, straighten out, unravel  

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