Pneumonoultramicroscopicsilicovolcanoconiosis
Pneumonoultramicroscopicsilicovolcanoconiosis (
i/njuːˌmɒnoʊˌʌltrəˌmaɪkrəˈskɒpɪkˌsɪlɪkoʊvɒlˌkeɪnoʊˌkɒnaɪˈoʊsᵻs/) is an English word that refers to a lung disease that is otherwise known as silicosis. It is the longest word in the English language published in a dictionary, the Oxford English Dictionary, which defines it as "an artificial long word said to mean a lung disease caused by inhaling very fine ash and sand dust."
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