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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.

yeah but that is actually a merge of like 8 words

https://steemit.com/universe/@yanbellavance/time-travel

good one though :D