Pneumonoultramicroscopicsilicovolcanoconiosis is a synonym for the disease known as silicosis.

The statement is true because pneumonoultramicroscopicsilicovolcanoconiosis is indeed a synonym for the disease called silicosis. Silicosis is a lung disease caused by long-term exposure to crystalline silica dust, primarily found in industries such as mining, construction, and stone cutting. The term pneumonoultramicroscopicsilicovolcanoconiosis was coined as a humorous and supercalifragilisticexpialidocious-like term to describe the disease, but it effectively refers to the same medical condition.