Answer:
pneumonoultramicroscopicsilicovolcanoconiosis
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
Step-by-step explanation:
i searched google