world's longest word
Even longer still is 'Hippopotomonstrosesquippedaliophobia', at 36 characters, it is the fear of long words. They should have made it shorter. Unofficially the longest word is 'pneumonoultramicroscopicsilicovolcanoconiosis' at 45 characters, meaning 'a lung disease'. It was created solely for the purpose of being the longest word, however, it does appear in a few dictionaries.