Q1：世界上最长的英语单词是哪个
pneumonoultramicroscopicsilicovolcanoconiosis，[医]肺尘病,矽肺病
Q3：世界上最长的英语单词是？
Methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalany
lglutaminylleucyllysylglutamylarginyllysylglutamylglycylalanylphenyla
lanylvalylprolyphenylalanYlvalythreonylleucylglycylaspartylprolylglyc
ylisoleucylglutamylglutaminylsErylleucyllysylisoleucylaspartylthreony
lleucylIsoleucylglutamylalanylglycylalanylasparthlalanylleucylglutamy
lleucylglycylisoleucylprolylphenylalanylseRylaspartylprolylleucylalan
ylaspartylglycylpRolylthreOnylisoleucylglutaminylasPfraginylalanylthr
eonylleucylarfinylalanylphenylalanylalanylalanylglycylvalythreonylpro
lylalanylglutaminylcysteinylphenylalanylglutamylmethionylleucylalanyl
leuOylisoleucylarginylglutaminyllysyhistidylprolylthreonylisoleucylpr
olylisoleucylglycylleucylmethionyltyrosylalanylasparaginylleucylvalyl
phenylalanylasparaginyllysyglycylisoleucylaspartylglutamylphenylalany
lthrosylalanylglutaminylcysteinylglutamyllysylvalylglycylvalylasparty
lserylvalylleucylvalylalnylaspartylvalylprolylvalylglUtaminylglutamyl
serylalanylprolylphenylalanylarginylglutaminylalanylalanylleucylarginy
lhistidylasparaginyvalylalanylprolylisoleucylprolylisoleucylphenylalan
ylisoleucylphenylalanylisoleucylcysteinylprolylprolylaspartylalanylasp
artylaspartylaspartylleucylleucylarginylglutaminylisoleucylalanylseryl
tyrosylglycylarginylglycyltyrosylthreonyltyrOsylleucylleucylserylargin
ylalanylglycylvalylthreonylglycylalanylglutamYlasparainylarginylalanyl
alanylleucylprolylleucylasparaginylhistidylleucylValylalanyllysylleucy
llysylglutamyltyrosylasparaginylalanylalanylprolylprolylleucylglutaminy
lglgycylphenylalanylglycylisoleucylserylalanylprolylaspartylglutaminylv
alyllysylalanylalanylisoleucylaspartylalanylglycylalanylalanylglycylala
nylisoleucylserylglycylserylalanylisoleucylvalyllysylisoIeucylisoleucyl
glutamylglutaminylHistidylasparaginyliSoleucylglutamylprolylglutamyllys
ylmethionylleucylalanylalanylleucyllysylvalylphenylalanylcalylglutaminy
lprolylmethionlysylalanylalanylthreonylarginylserine.
最长的是1，913个字母，
是“色氨酸合成酶A蛋白质”
（一种含有267种氨基酸酶）的全称
Q4：世界上最长的英语单词是什么？
最长的英语单词
据疯狂英语2001，九月，第30期载：
最长的是1，913个字母，
是“色氨酸合成酶A蛋白质”
（一种含有267种氨基酸酶）的全称----
一般的字典上是见不着的。
可以翻翻医学专用词汇字典^_*
单词如下：
Methionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalany
lglutaminylleucyllysylglutamylarginyllysylglutamylglycylalanylphenyla
lanylvalylprolyphenylalanYlvalythreonylleucylglycylaspartylprolylglyc
ylisoleucylglutamylglutaminylsErylleucyllysylisoleucylaspartylthreony
lleucylIsoleucylglutamylalanylglycylalanylasparthlalanylleucylglutamy
lleucylglycylisoleucylprolylphenylalanylseRylaspartylprolylleucylalan
ylaspartylglycylpRolylthreOnylisoleucylglutaminylasPfraginylalanylthr
eonylleucylarfinylalanylphenylalanylalanylalanylglycylvalythreonylpro
lylalanylglutaminylcysteinylphenylalanylglutamylmethionylleucylalanyl
leuOylisoleucylarginylglutaminyllysyhistidylprolylthreonylisoleucylpr
olylisoleucylglycylleucylmethionyltyrosylalanylasparaginylleucylvalyl
phenylalanylasparaginyllysyglycylisoleucylaspartylglutamylphenylalany
lthrosylalanylglutaminylcysteinylglutamyllysylvalylglycylvalylasparty
lserylvalylleucylvalylalnylaspartylvalylprolylvalylglUtaminylglutamyl
serylalanylprolylphenylalanylarginylglutaminylalanylalanylleucylarginy
lhistidylasparaginyvalylalanylprolylisoleucylprolylisoleucylphenylalan
ylisoleucylphenylalanylisoleucylcysteinylprolylprolylaspartylalanylasp
artylaspartylaspartylleucylleucylarginylglutaminylisoleucylalanylseryl
tyrosylglycylarginylglycyltyrosylthreonyltyrOsylleucylleucylserylargin
ylalanylglycylvalylthreonylglycylalanylglutamYlasparainylarginylalanyl
alanylleucylprolylleucylasparaginylhistidylleucylValylalanyllysylleucy
llysylglutamyltyrosylasparaginylalanylalanylprolylprolylleucylglutaminy
lglgycylphenylalanylglycylisoleucylserylalanylprolylaspartylglutaminylv
alyllysylalanylalanylisoleucylaspartylalanylglycylalanylalanylglycylala
nylisoleucylserylglycylserylalanylisoleucylvalyllysylisoIeucylisoleucyl
glutamylglutaminylHistidylasparaginyliSoleucylglutamylprolylglutamyllys
ylmethionylleucylalanylalanylleucyllysylvalylphenylalanylcalylglutaminy
lprolylmethionlysylalanylalanylthreonylarginylserinewWw.B+azHiSHI.CoM
Q5：世界上最长的英语单词以及它的意思？
各个领域造就的最长单词不一而论，大部分情况下公认最长的单词是：
共1913个字母的“色氨酸合成酶A蛋白质”（一种含有267种氨基酸酶）的全称：
MethionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminylleucyllysylglutamylarginyllysylglutamylglycylalanylphenylalanylvalylprolyphenylalanYlvalythreonylleucylglycylaspartylprolylglycylisoleucylglutamylglutaminylsErylleucyllysylisoleucylaspartylthreonylleucylIsoleucylglutamylalanylglycylalanylasparthlalanylleucylglutamylleucylglycylisoleucylprolylphenylalanylseRylaspartylprolylleucylalanylaspartylglycylpRolylthreOnylisoleucylglutaminylasPfraginylalanylthreonylleucylarfinylalanylphenylalanylalanylalanylglycylvalythreonylprolylalanylglutaminylcysteinylphenylalanylglutamylmethionylleucylalanylleuOylisoleucylarginylglutaminyllysyhistidylprolylthreonylisoleucylprolylisoleucylglycylleucylmethionyltyrosylalanylasparaginylleucylvalylphenylalanylasparaginyllysyglycylisoleucylaspartylglutamylphenylalanylthrosylalanylglutaminylcysteinylglutamyllysylvalylglycylvalylaspartylserylvalylleucylvalylalnylaspartylvalylprolylvalylglUtaminylglutamylserylalanylprolylphenylalanylarginylglutaminylalanylalanylleucylarginylhistidylasparaginyvalylalanylprolylisoleucylprolylisoleucylphenylalanylisoleucylphenylalanylisoleucylcysteinylprolylprolylaspartylalanylaspartylaspartylaspartylleucylleucylarginylglutaminylisoleucylalanylseryltyrosylglycylarginylglycyltyrosylthreonyltyrOsylleucylleucylserylarginylalanylglycylvalylthreonylglycylalanylglutamYlasparainylarginylalanylalanylleucylprolylleucylasparaginylhistidylleucylValylalanyllysylleucyllysylglutamyltyrosylasparaginylalanylalanylprolylprolylleucylglutaminylglgycylphenylalanylglycylisoleucylserylalanylprolylaspartylglutaminylvalyllysylalanylalanylisoleucylaspartylalanylglycylalanylalanylglycylalanylisoleucylserylglycylserylalanylisoleucylvalyllysylisoIeucylisoleucylglutamylglutaminylHistidylasparaginyliSoleucylglutamylprolylglutamyllysylmethionylleucylalanylalanylleucyllysylvalylphenylalanylcalylglutaminylprolylmethionlysylalanylalanylthreonylarginylserine（1934个字母）
排除这个特殊领域的单词后，其次是：
pneumonoultramicroscopicsilicovolcanoconiosis （共有45个字母）
[ˈnju:mənəuˌʌltrəˌmaikrəsˈkɔpikˈsilikəvɔlˈkeinəukəuniˈəusis]
[医]硅酸盐沉着病,矽肺病