Top definition
brown iron is the common term for bumcivilian, the most basic form of iron. It is produced when a sample of iron is mixed with sulphuric acid. Brown iron has the unusual property of absorbing all sound waves within close proximity.
The bell isn't broken. In fact it's in perfect working order. It's just that when brown iron is produced, it has the effect of sucking up all the sound in the vicinity.
by voodoodanny March 05, 2009
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug