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Pneumoconiosis is a form of occupational lung disease. It is not an infective disease. It is a progressive (gets worse with time) degenerative disorder. It is caused by air pollution in the form of particulates. It was common among coal miners, who inhaled coal dust regularly.

Another type of pneumoconiosis is 'asbestosis', caused by inhaling asbestos fibres. A third type is caused by inhaling minute silica particles, called 'silicosis'. All forms of pneuomoconiosis shorten life, and have no cure.


  1. Having worked at an occupation with dust risks
  2. Shortness of breath
  3. Chest X-ray may show typical signs

Long name[change | change source]

Pneumonoultramicroscopicsilicovolcanoconiosis is a lung disease caused by the breathing-in of very small particles of sand or quartz dust found in volcanoes. The origins of this forty-five-letter word have, however, been considered as a hoax. It was first seen in the Oxford English Dictionary in 1936.