Question

What is it "pneumonoultramicroscopicsilicovolcanoconiosis"​

Answer 1

Answer:

an invented long word said to mean a lung disease caused by inhaling very fine ash and sand dust.

Answer 2

Explanation:

Pneumonoultramicroscopicsilicovolcanoconiosis is a word coined by the president of the National Puzzlers' League as a synonym for the disease known as silicosis.