Question

which is the longest word in the english dictionary?

Answer 1

The longest word in any of the major English language dictionaries is """pneumonoultramicroscopicsilicovolcanoconiosis""", a word that refers to a lung disease contracted from the inhalation of very fine silica particles, specifically from a volcano; medically, it is the same as silicosis.

Answer 2

pneumonoultramicroscopicsilicovolcanoconiosis is the longest word in english and according to Oxford dictionary.