Booboo

actually the longest.. or one of the longest is

pneumonoultramicroscopicsilicovolcanoconiosis

pneu•mo•no•ul•tra•mi•cro•scop•ic•sil•i•co•vol•ca•no•co•ni•o•sis

Pronunciation: (nOO'mu-nO-ul"tru-mI"kru-skop"ik-sil'i-kO"vol-kA"nO-kO"nE-O'sis, nyOO'-), [key]
—n.
an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language.

and this is my fave.. its so random

and actually.. I dont think its in normal dictionaries.. you'd have to look in a medical one I think. I remember looking it up in my Bio class a few years ago.

__________________
"Your life is yours to live, go out and live it" - Richard Rahl