Definitions by AG123!!!!

pneumonoultramicroscopicsilicovolcanoconiosis 

A lung disease caused by inhaling very fine silica dust.

"Due to his extensive exposure to volcanic ash during his work as a geologist, John developed pneumonoultramicroscopicsilicovolcanoconiosis, a debilitating lung condition."

pneumonoultramicroscopicsilicovolcanoconiosis by AG123!!!! June 12, 2023