Question

what do you mean by
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

Answer:

this is a lung disease caused by inhaling very fine dust or ash...

this word is considered as the longest word,as it doesn't has any nickname...

but there is a protein nicknamed "titin".

it's original name is consisting of more than 1.8 lac characters...