You might be a Word Person if you’ve ever asked yourself, “What’s the longest word in the dictionary?”
At 45 letters, pneumonoultramicroscopicsilicovolcanoconiosis is the longest word in the English language published in a dictionary, the Oxford English Dictionary. It refers to a lung disease caused by inhaling very fine ash and sand dust. The disease is otherwise known as silicosis.
Honorable mentions also go out to:
- Floccinaucinihilipilification – the estimation of something as worthless – 29 letters
- Antidisestablishmentarianism – opposition to the disestablishment of the Church of England – 28 letters
Source: OxfordDictionaries.com