iron
noun /ˈaɪən/
  /ˈaɪərn/
Idioms - [uncountable](symbol Fe)a chemical element. Iron is a hard strong metal that is used to make steel and is also found in small quantities in blood and food.- iron gates/bars/railings
- a hut with a corrugated iron roof
- the iron and steel industries
- iron ore (= rock containing iron)
- foods that are rich in iron
- patients with iron deficiency (= not enough iron in their blood)
- iron tablets (= containing iron prepared as a medicine)
- (figurative) She had a will of iron (= it was very strong).
 Oxford Collocations Dictionaryadjective- rusty
- cast
- corrugated
- …
 - make
- produce
- smelt
- …
 - rust
 - ore
- bar
- gate
- …
 
 enlarge image[countable] a tool with a flat metal base that can be heated and used to make clothes smooth enlarge image[countable] a tool with a flat metal base that can be heated and used to make clothes smooth- a steam iron
 Extra ExamplesTopics Houses and homesb1- I just need to run an iron over my shirt, then I'm ready.
- Use a cool iron on synthetics.
 Oxford Collocations Dictionaryadjective- hot
- warm
- electric
- …
 - use
 
- [countable] (usually in compounds) a tool made of iron or another metal see also branding iron, grappling iron, soldering iron, tire ironOxford Collocations Dictionaryadjective- hot
- warm
- electric
- …
 - use
 
- irons[plural] chains or other heavy objects made of iron, attached to the arms and legs of prisoners, especially in the past- leg irons
- (old-fashioned) to clap somebody in irons
 
- [countable] one of the set of clubs (= sticks for hitting the ball with) that have a metal head- He hit a magnificent shot with a nine iron.
 
metal
tool
for prisoners
in golf
Word OriginOld English īren, īsen, īsern, of Germanic origin; related to Dutch ijzer and German Eisen, and probably ultimately from Celtic.
Idioms 
have several, etc. irons in the fire 
- to be involved in several activities or areas of business at the same time, hoping that at least one will be successful
pump iron 
- (informal) to do exercises in which you lift heavy weights in order to make your muscles strongerTopics Health and Fitnessc2                                     
rule (somebody/something) with a rod of iron 
- to control a person or a group of people very severely
strike while the iron is hot 
- (saying) to make use of an opportunity immediately
