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English definition of “iron”

iron

noun  /ˈɑɪ·ərn/ us  

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

iron

verb [T]  /ˈɑɪ·ərn/ us  

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 verbs

iron

adjective [not gradable]  /ˈɑɪ·ərn/ us  

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)
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