Metals have a clear hierarchy in terms of the value we perceive in them. Bronze--not a metal by itself, but an alloy of copper, zinc, etc.--was easier to make early in our history, though it was superseded by iron which is stronger and more durable.
These qualities of iron are reflected in our languages too. Idioms such as ‘iron fist in a velvet glove,' which we examined last week, suggest that we associate strength, durability, resolve, and other similar qualities with iron. This week, let's consider a few more idioms related to the word iron.
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Cast-iron stomach: If you have a cast-iron stomach, that means you can eat or drink just about anything and not suffer any ill effects. The food in India is considered to be spicy, especially compared to typical Western cuisine. So someone coming to India from say, USA would need to have a ‘cast-iron stomach' to eat Indian food. You can use this phrase in sentences such as: ‘I always thought I had a cast-iron stomach, but even I cannot eat the stuff you make without suffering later on.'
Apart from these idioms, there is an interesting use of iron: in slang usage, ‘iron' also refers to a firearm, typically a pistol. Since such firearms are made of strong metal, in slang usage the metal is equated with the object itself. Here is an example: ‘A gang of thugs surrounded the Batman. They were all packing metal.' The term ‘iron' is usually combined with ‘packing.' When someone is ‘packing metal', it means they are carrying a firearm, usually hidden in their clothes. In most James Bond movies, for example, you see the famous spy packing metal as he steps out of the hotel suite.
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nilesh@skillspark.com