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The longer form of the word silicosis, which is a lung disease caused why inhalation of crystalline silica dust. pneumonoultramicroscopicsilicovolcanoconiosis is generally considered the longest word in the oxford dictionary, which it is. Pneumonoultramicroscopicsilicovolcanoconiosis can be identified from inflammation in the lungs. It is actually just a type of pneumoconiosis which is an occupational lung disease caused by inhalation of dust. The named pneumonoultramicroscopicsilicovolcanoconiosis is probably coined from a combination of the term pneumonconiosis as well as silicon volcanic dust.
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