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English definition of “iron”

iron

noun [U] (METAL)   /ˈɑɪ·ərn/
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.
(Definition of iron noun (METAL) from the Cambridge Academic Content Dictionary © Cambridge University Press)
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