"pneumonoultramicroscopicsilicovolcanoconiosis" What does it mean?

It is a lung disease and it's also the longest word in the english language. A lung disease caused by the inhaling of fine silica dust usually found around volcanos

he word was invented by compounding pneumo-(lung) + ultramicroscopic + silicon + volcano + coniosis, from the Greek konis (dust).

'a lung disease caused by the inhalation of very fine silica dust'

it's a lung disease.

the word is 45 letters long!

It's a disease coal miners used to get.

Also known as black lung.

If you check "on line " it will tell you what it means and how to correctly to say it .

well the first bit

is numo (like pneumoniea) and it has something to do with the luungs

thats not a word plus it had the lil ".............." so there is more to the word so i cant tell u lol =] sorry