Question: is supercalifragilisticexpialidocious longer than pneumonoultramicroscopicsilicovolcanoconiosis?
Answer: 1 Pneumonoultramicroscopicsilicovolcanoconiosis (forty-five letters) is lung disease caused by the inhalation of silica or quartz dust. ... If you watched Mary Poppins as a child, you might quickly think of supercalifragilisticexpialidocious (thirty-four letters).