Definitions by Doomkid5
Pneumoultramicroscopicsilicovolcanoconiosis
Pneumoultramicroscopicsilicovolcanoconiosis is the longest proper word in English! It has 45 letters overall. It refers to a lung disease caused by very fine sand or ash.
Pneumoultramicroscopicsilicovolcanoconiosis by Doomkid5 December 3, 2024