pneumonoultramicroscopicsilicovolcanoconiosis ( synonym found)
Definition of pneumonoultramicroscopicsilicovolcanoconiosis:

°(nonce) A hypothetical, invented disease of the lungs, caused by inhaling mineral or metallic dust, such as silicon and quartzite, over a long period of time.
Definition of pneumonoultramicroscopicsilicovolcanoconiosis:

°(nonce) A hypothetical, invented disease of the lungs, caused by inhaling mineral or metallic dust, such as silicon and quartzite, over a long period of time.
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