Definition of “iron” - English Dictionary

“iron” in British English

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uk /aɪən/ us /aɪrn/

iron noun (METAL)

B1 symbol Fe [ U ] a chemical element that is a common greyish-coloured metal. It is strong, used in making steel, and exists in very small amounts in blood:

Liver is a particularly rich source of dietary iron.
iron ore
an iron deficiency

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iron noun (FOR CLOTHES)

B1 [ C ] a piece of equipment for making clothes flat and smooth that has a handle and a flat base and is usually heated with electricity:

a steam iron
a travel iron

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iron noun (CHAINS)

irons [ plural ] literary

chains tied around someone to prevent them from escaping or moving:

It was common practice for the prisoners to be clapped in irons (= tied with chains).

ironverb [ I or T ]

uk /aɪən/ us /aɪrn/

ironadjective [ before noun ]

uk /aɪən/ us /aɪrn/

(Definition of “iron” from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

“iron” in American English

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us /ˈɑɪ·ərn/

iron noun (METAL)

[ U ] a common, silver-colored, metal element that is magnetic and strong, is used in making steel, and is found in small amounts in blood and in all living things:

Iron rusts easily.
Liver is a rich source of dietary iron.

iron noun (DEVICE)

[ C ] a device with a handle and a flat metal base that can be heated and pressed against cloth to make the cloth smooth

ironverb [ T ]

us /ˈɑɪ·ərn/

iron verb [ T ] (USE DEVICE)

to make cloth smooth using an iron:

I have to iron this skirt.
[ M ] Let me iron out the wrinkles in this tablecloth.

Phrasal verb(s)

ironadjective [ not gradable ]

us /ˈɑɪ·ərn/

iron adjective [ not gradable ] (MADE OF METAL)

made of or containing iron:

iron ore
an iron railing along the steps
fig. Her success depended on physical strength and an iron will (= strong determination).

(Definition of “iron” from the Cambridge Academic Content Dictionary © Cambridge University Press)

“iron” in Business English

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ironnoun [ U ]


a common metal element used in making steel:

Heavy industries, like iron and steel, can take advantage of the government's increased public-works spending.

(Definition of “iron” from the Cambridge Business English Dictionary © Cambridge University Press)