Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “iron”

iron

noun
 
 
/aɪən/
METAL [U] B1 a dark grey metal used to make steel (= very strong metal) and found in small amounts in blood and food (formula Fe): an iron bar/gate Most women need more iron in their diet.Chemical elementsMetals and metalworkingChemical elements
ELECTRICAL EQUIPMENT [C] B1 a piece of electrical equipment that you use for making clothes flat and smooth → See also cast iron, wrought ironCleaning clothes
(Definition of iron noun from the Cambridge Learners Dictionary © Cambridge University Press)
Add Cambridge dictionaries to your browser to your website

Definitions of “iron” in other dictionaries

Word of the Day

mutant

an organism that is different from others of its type because of a permanent change in its genes

Word of the Day

What’s that lovely smell?

by Kate Woodford,
October 29, 2014
As adult humans, we can distinguish about 10,000 different smells. It’s no wonder, then, that we have so many words and expressions to describe them. This week we’re taking a look at those smell words – words that describe good smells and words that describe bad smells. Most smell words are either

Read More 

high-frequency trading noun

October 27, 2014
a type of stock market trading that uses very complex technology to trade extremely quickly, often making tiny profits which nevertheless add up to substantial sums Lewis’s book, Flash Boys, is driving a huge amount of attention toward the topic of high frequency trading, and it has rekindled some of

Read More