pneumonoultramicroscopicsilicovolcanoconiosis 

A lung disease caused by inhaling volcanic ash and/or dust. Can also be caused by inhaling very fine silica dust particles. Also, it is the longest English word to ever appear in a dictionary. It was first coined in 1931. The longest English word ever is the chemical name of titin ,the largest protein in the human body.

You won't have to use this word much, but if you have ever been near a volcano, and you start coughing like crazy, then you probably have pneumonoultramicroscopicsilicovolcanoconiosis.

pneumonoultramicroscopicsilicovolcanoconiosis by mkakapo February 14, 2014

pneumonoultramicroscopicsilicovolcanoconiosis 

a lung disease, kinda a lung cancer

i dunno, like a cancer of lungs. that's pneumonoultramicroscopicsilicovolcanoconiosis

pneumonoultramicroscopicsilicovolcanoconiosis by kwartz99 May 8, 2012

pneumonoultramicroscopicsilicovolcanoconiosis 

A lung disease caused by silica dust found in unclean atmosphere.

One of the longest, if not THE longest word in the English language, if the disease doesn't affect you, the sheer length of the word will.

disease longest word in the English language pneumonoultramicroscopicsilicovolcanoconiosis

pneumonoultramicroscopicsilicovolcanoconiosis by Not who you think i am November 9, 2013

pneumonoultramicroscopicsilicovolcanoconiosis 

Fuck I can't even say tha- oh I'm typing? Oops... ok... pneumonoultramicroscopicsilicovolcanoconiosis is a lung disease caused by breathing in silicate dust... ye, that's all it is...

If you breathe in silicate dusts you can get pneumonoultramicroscopicsilicovolcanoconiosis

Pronunciation: new-moh-no-ultra-microscopic-silicoh-vohl-canoh-con-eeoh-sis

pneumonoultramicroscopicsilicovolcanoconiosis by Killertex1211 November 4, 2016

pneumonoultramicroscopicsilicovolcanoconiosis 

A word that refers to a lung disease contracted from the inhalation of very fine silica particles, specifically from a volcano; medically, it is the same as silicosis.

Holy fuck he has pneumonoultramicroscopicsilicovolcanoconiosis.

pneumonoultramicroscopicsilicovolcanoconiosis by MyNameGotTaken November 15, 2016

pneumonoultramicroscopicsilicovolcanoconiosis 

Lung disease by inhaling silica dust and fine ash from most volcanoes.

Sometimes miners would get pneumonoultramicroscopicsilicovolcanoconiosis

pneumonoultramicroscopicsilicovolcanoconiosis by Sol36 April 1, 2017

pneumonoultramicroscopicsilicovolcanoconiosis 

A really long word that is in the Oxford Dictionary that apparently means a volcanic disease caused by breathing ashes by a nearby volcano.

Tom: OMG what happen to Sarah!!!

Brody: She has the pneumonoultramicroscopicsilicovolcanoconiosis disease!!!

pneumonoultramicroscopicsilicovolcanoconiosis by the_savage_one April 17, 2017