pneumonoultramicroscopicsilicovolcanoconiosis


(Which I think was not very interesting)

A clue:
It is a form of pneumonia when you breath in ashes...
I have given it away quite a lot. You should know what the rest of the definition is!!!!!!!

Sorry, but you poisoned your otherwise clever wit with your spelling error.






Or if you are like me use the Oxford English Dictionary.


