pneumonoultramicroscopicsilicovolcanoconiosis 

The longest word in the English language, according to the Oxford English Dictionary

pronouncing
pneumonoultramicroscopicsilicovolcanoconiosis
is nearly impossible

pneumonoultramicroscopicsilicovolcanoconiosis by starman1998 January 16, 2009

pneumonoultramicroscopicsilicovolcanoconiosis 

Longest word ever next to extremelylongelongatedbigassmotherfuckingword (smileforthecamera)

Hey look at the pneumonoultramicroscopicsilicovolcanoconiosis!!

-Chuckeh

pneumonoultramicroscopicsilicovolcanoconiosis by Chuckeh February 22, 2005

PNEUMONOULTRAMICROSCOPICSILICOVOLCANOCONIOSIS 

A lung disease caused by breathing in certain particles. (Or a dumbfuck)

Don't be act like you have PNEUMONOULTRAMICROSCOPICSILICOVOLCANOCONIOSIS.

PNEUMONOULTRAMICROSCOPICSILICOVOLCANOCONIOSIS by Dude March 24, 2007

pneumonoultramicroscopicsilicovolcanoconiosis 

the way you actually spell the word as opposed to the many variations found on the site. Is a form of pneumonia you get from inhaling silica dust or quartz dust found around volcanoes.

cant think of one but ineed to fill a 20 word space

pneumonoultramicroscopicsilicovolcanoconiosis by cpt. turtle June 12, 2005

Pneumonoultramicroscopicsilicovolcanoconiosis 

A condition meeting the word's definition is normally called silicosis.

Teacher: Who here knows the longest English word in English?

James (Nerd): I DO, CAN I WRITE IT ON THE BOARD?

Teacher: Yes of course James.

*Writes Pneumonoultramicroscopicsilicovolcanoconiosis

Class: (What a nerd)

James: OKE I'M DONE

Teacher: Looks about right...

Pneumonoultramicroscopicsilicovolcanoconiosis by John Travolta Jr. February 20, 2009

pneumonoultramicroscopicsilicovolcanoconiosis 

a disease of the lung miners get by inhaling silica

uh....why dont you try

pneumonoultramicroscopicsilicovolcanoconiosis by Sylverwyng September 28, 2004

Pneumonoultramicroscopicsilicovolcanoconiosis 

lung cancer.

I have 40 hours to live because of my pneumonoultramicroscopicsilicovolcanoconiosis

Pneumonoultramicroscopicsilicovolcanoconiosis by qcsfjbn June 22, 2011