世界上which english字最長???

在 1992 年的 Guinness Book of Records（金氏世界記錄）
英文正統最長的字為 Floccinaucinihilipilification 為 29 英文字
這是最長的『非技術』用語，可在牛津字典（初版）找到
詳情請到 http://en.wikipedia.org/wiki/Floccinaucinihilipilification 查詢

另外一個常見到的英文長字為 Antidisestablishmentarianism
本字的意思請參閱 http://en.wikipedia.org/wiki/Antidisestablishmentarianism

另外醫學用語中長字為 pneumonoultramicroscopicsilicovolcanoconiosis
這樓上多位提過了
他的另外一個拼法為 pneumonoultramicroscopicsilicovolcanokoniosis
在部分牛津字典裡也有出現
本字的意思請參考 http://en.wikipedia.org/wiki/Pneumonoultramicroscopicsilicovolcanoconiosis

而最長最長的英文字組合乃是人類的DNA共 207,000+ 以上的字

According to the wikipedia,

acetylseryltyrosylserylisoleucylthreonylserylprolylserylglutaminyl-
phenylalanylvalylphenylalanylleucylserylserylvalyltryptophylalanyl-
aspartylprolylisoleucylglutamylleucylleucylasparaginylvalylcysteinyl-
threonylserylserylleucylglycylasparaginylglutaminylphenylalanyl-
glutaminylthreonylglutaminylglutaminylalanylarginylthreonylthreonyl-
glutaminylvalylglutaminylglutaminylphenylalanylserylglutaminylvalyl-
tryptophyllysylprolylphenylalanylprolylglutaminylserylthreonylvalyl-
arginylphenylalanylprolylglycylaspartylvalyltyrosyllysylvalyltyrosyl-
arginyltyrosylasparaginylalanylvalylleucylaspartylprolylleucylisoleucyl-
threonylalanylleucylleucylglycylthreonylphenylalanylaspartylthreonyl-
arginylasparaginylarginylisoleucylisoleucylglutamylvalylglutamyl-
asparaginylglutaminylglutaminylserylprolylthreonylthreonylalanylglutamyl-
threonylleucylaspartylalanylthreonylarginylarginylvalylaspartylaspartyl-
alanylthreonylvalylalanylisoleucylarginylserylalanylasparaginylisoleucyl-
asparaginylleucylvalylasparaginylglutamylleucylvalylarginylglycyl-
threonylglycylleucyltyrosylasparaginylglutaminylasparaginylthreonyl-
phenylalanylglutamylserylmethionylserylglycylleucylvalyltryptophyl-
threonylserylalanylprolylalanylserine

I THINK its probably:
Lopadotemakhoselakhogaleokranioleipsanodrimypotrimmatosilphiokarabomelitokatakekhymenokikhlepikossyphophattoperisteralektryonoptokephalliokigklopeleiolagōiosiraiobaphētraganopterýgōn



Its erm...a fictional dish from a greek play...lol