pnuemonoultramicroscopicsilivolcanoconiosis

1:A disease caused by the inhalation of very fine volcanic silica dust causing inflamation of the lungs.

2:The longest word in the english language.

BOY:my lungs are on FIRE!
MOM:well it might be pnuemonoultramicroscopicsilivolcanoconiosis

by Pepe Russelton April 19, 2009