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pneumonovolcaneosisexpialidocious

The word you say when you cannot pronouce pneumonoultramicroscopicsilicovolcanoconiosis.
Pn... Pn... pneumonovolcaneosisexpialidocious
by FakeWordsYouThinkAreFake October 24, 2017
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Pneumonoultramicroscopicsilico volcano

Pneumonoultramicroscopic silico volcano coneosis (45 letters -- had to misspell it to fit in Urban Dictionary -- merge all of the words togeather); a lung disease caused by breathing in certain particles) is the longest word in any English-language dictionary. (It is also spelled -koniosis.)
On Feb. 23, 1935, the New York Herald-Tribune reported on page 3:

Pneumonoultramicroscopicsilico volcano-koniosis succeeded electrophotomicrographically as the longest word in the English language recognized by the National Puzzlers' League at the opening session of the organization's 103d semi-annual meeting held yesterday at the Hotel New Yorker.
The puzzlers explained that the forty-five-letter word is the name of a special form of silicosis caused by ultra-microscopic particles of siliceous volcanic dust.
His Pneumonoultramicroscopicsilico volcano koniosis made him cough-up black phlegm and blood.
by Aaron M Smith October 17, 2006
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pneumonoultramicroscopicsilicovolcanoconiosis

1. A disease gotten from inhalation of diminative particles of silica or quartz.
Pneumono - Lung
Ultra Microscopic - Very small/fine
silico volcano - igneous, silica
coniosis - disease
; Black Lung
In the mid 1880's, miners would get pneumonoultramicroscopicsilicovolcanoconiosis.
by Kyle Zager January 6, 2005
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pneumonoultramicroscopicsilicovolcanoconeousis

A disease you get from inhaling ultra microscopic peices of volcano dust.
some random person: "What's pneumonoultramicroscopicsilicovolcanoconeousis?"
Me: "some really long disease name but its not the longest."
some random person: "So then what's the longest word?"
Me: "the chemical name for titin which is to long for me to type."
some random person: "Oookay, bye."
by hayNay November 21, 2018
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pneumonoultramicroscopicsilicavolcanoconiosis

The longest word in the English language.

A disease of the lungs aquirable by the inhalation of silica dust.
Dude! That guy was diagnosed with pneumonoultramicroscopicsilicavolcanoconiosis yesterday. What a bummer!
by Stephen Corwin May 13, 2005
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1:A disease caused by the inhalation of very fine volcanic silica dust causing inflamation of the lungs.

2:The longest word in the english language.
BOY:my lungs are on FIRE!
MOM:well it might be pnuemonoultramicroscopicsilivolcanoconiosis
by Pepe Russelton April 19, 2009
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pneumonoultramicroscopicsilicovolcanoconiosis

A form of silicosis caused by breathing in siliceous volcanic dust.

Exceeded electrophotomicrographically as the longest recognized word in English.
Me: *COUGH*
You: Dude, stop smoking.
Me: I don't smoke.
You: Yes, you do.
Me: No, I have pneumonoultramicroscopicsilicovolcanoconiosis
by OfEternity July 7, 2005
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