Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “iron”

iron

noun 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: Iron rusts easily. Liver is a particularly rich source of dietary iron. iron ore an iron deficiency

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

iron noun (GOLF)

[C] a stick that has an iron or steel part at the end that is used to hit the ball in golf: He'll probably use a 2 or 3 iron for the shot.

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).

iron

verb [I or T] uk   /aɪən/ us    /aɪrn/
B1 to make clothes flat and smooth using an iron: It takes about five minutes to iron a shirt properly.
Phrasal verbs

iron

adjective [before noun] uk   /aɪən/ us    /aɪrn/
very strong physically, mentally, or emotionally: I think you have to have an iron will to make some of these decisions.
(Definition of iron from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
What is the pronunciation of iron?
Browse related topics

You are looking at an entry to do with Opportunity, but you might be interested in these topics from the Chance and possibility topic area:

Add Cambridge dictionaries to your browser to your website

Definitions of “iron” in other dictionaries

Word of the Day

for starters

used to say that something is the first in a list of things

Word of the Day

Come on – you can do it! Phrasal verbs with ‘come’.

by Liz Walter​,
November 19, 2014
As part of an occasional series on the tricky subject of phrasal verbs, this blog looks at ones formed with the verb ‘come’. If you are reading this blog, I’m sure you already know come from, as it is one of the first things you learn in class: I come from Scotland/Spain.

Read More 

ped-text verb

November 24, 2014
to text someone while walking I’m ped-texting, I’m looking down at my phone, 75 percent of the time.

Read More