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pneumonoultramicroscopicsilicovolcanoconiosis (30) is actually according to the creators of the oxford dictionary
1 2
Comments  
yep
What's about these words:

aequeosalinocalcalinoceraceoaluminosocupreovitriolic (52 characters)

osseocarnisanguineoviscericartilagninonervomedullary (52 characters)
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1-I don't think either are in the english dictionary.

2-pneumonoultramicroscopicsilicovolcanoconiosis (45)
A shortened version of some of the longer words in the dictionary.
Number of characters in parentheses before word.

>>>CHEMICAL:
(1,185) ACETYLSERYLTYROSYLSERYLISOLEUCYLTHREONYLSERYLPROLYLSERYLGLUTAMINYLPHENYLAL
ANYLVALYLPHENYLALANYLLEUCYLSERYLSERYLVALYLTRYPTOPHYLALANYLASPARTYLPROLYLISO
LEUCYLGLUTAMYLLEUCYLLEUCYLASPARAGINYLVALYLCYSTEINYLTHREONYLSERYLSERYLLEUCY
LGLYCYLASPARAGINYLGLUTAMINYLPHENYLALANYLGLUTAMINYLTHREONYLGLUTAMINYLGLUTA
MINYLALANYLARGINYLTHREONYLTHREONYLGLUTAMINYLVALYLGLUTAMINYLGLUTAMINYLPHENY
LALANYLSERYLGLUTAMINYLVALYLTRYPTOPHYLLYSYLPROLYLPHENYLALANYLPROLYLGLUTAMINY
LSERYLTHREONYLVALYLARGINYLPHENYLALANYLPROLYLGLYCYLASPARTYLVALYLTYROSYLLYSY
LVALYLTYROSYLARGINYLTYROSYLASPARAGINYLALANYLVALYLLEUCYLASPARTYLPROLYLLEUCY
LISOLEUCYLTHREONYLALANYLLEUCYLLEUCYLGLYCYLTHREONYLPHENYLALANYLASPARTYLTHRE
ONYLARGINYLASPARAGINYLARGINYLISOLEUCYLISOLEUCYLGLUTAMYLVALYLGLUTAMYLASPAR
AGINYLGLUTAMINYLGLUTAMINYLSERYLPROLYLTHREONYLTHREONYLALANYLGLUTAMYLTHREON
YLLEUCYLASPARTYLALANYLTHREONYLARGINYLARGINYLVALYLASPARTYLASPARTYLALANYLTHR
EONYLVALYLALANYLISOLEUCYLARGINYLSERYLALANYLASPARAGINYLISOLEUCYLASPARAGINYL
LEUCYLVALYLASPARAGINYLGLUTAMYLLEUCYLVALYLARGINYLGLYCYLTHREONYLGLYCYLLEUCYL
TYROSYLASPARAGINYLGLUTAMINYLASPARAGINYLTHREONYLPHENYLALANYLGLUTAMYLSERYLM
ETHIONYLSERYLGLYCYLLEUCYLVALYLTRYPTOPHYLTHREONYLSERYLALANYLPROLYLALANYLSER
INE
>>It is a Tobacco Mosaic Virus, Dahlemense Strain.
>>Although, a DNA strand could be millions of letters long, just to describe it.

>>>WORD:
(45) PNEUMONOULTRAMICROSCOPICSILICOVOLCANOCONIOSIS
>>It is a lung disease caused by breathing in particles of siliceous volcanic dust.
>>But it is many times thought of as an excuse for a long word Emotion: stick out tongue

>>>LOCATION:
(85) TAUMATAWHAKATANGIHANGAKOAUAUOTAMATEATURIPUKAKAPIKIMAUNGAHORONUKUPOKAIWHENUAKITANATAHU
>>It is a hill in New Zealand.
>>I would hate to have to tell that one to everyone I see.

>>IN THE UNITED STATES:
(41) CHARGOGAGOGMANCHARGOGAGOGCHARBUNAGUNGAMOG
>>It is another name for Lake Webster in Massachusetts
>>Not as long as the previous, but it is in the United States. Like that matters.
Fleebertyflarbengoggleybooglebreathrehablogenflarbenstravogagonist is actually he longest word.

Emotion: wink
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Which dictionary are you using there Mr Guest?
Emotion: smile
who ever wrote that is a genius!!!!!!!!!!!!!
Hi guys
Once I saw a word which comprises of about 2000 chars. though isn't mentioned in any dictionary (there's a reason...) It's a biological term for an ilment or something...
You can probably find it in Wekpidia's site.

Cheers
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