世界上最長的單詞有1913個字母，字典可查到(五分鐘讀完)

相信處于學生時期，背英文單詞是每個學生們都十分頭疼的事情，尤其是對于那種超級長的英文單詞，你知道世界上最長的單詞有多長嗎?據(jù)說世界上最長的單詞有1913個字母，含義是色氨酸合成A蛋白質(zhì)，一般字典上是沒有的，在那種超級專業(yè)的英文字典里可以查閱到。

一、世界上最長的單詞有1913個字母

說起世界上最長的單詞有1913個字母，如果你要說那個189819個字母的那個單詞才是世界上最長的單詞的話，那么你就被欺騙了，那個 只是單詞罷了， 但是卻并沒有得到字典的認可。

之前世界上最長的單詞共189819個字母，讀完需三個多小時，說的就是那個超級長的英文單詞，但是實際上，這個19萬個字母組成的單詞并沒有得到認可。

所以世界上最長的單詞還是實際長度最長的、專業(yè)文獻可查到的單詞是：

MethionylglutaminylarginyltyrosylglutamylserylleucylphenylalanylalanylglutaminylleucyllysylglutamylarginyllysylglutamylglycylalanylphenylalanylvalylprolyphenylalanYlvalythreonylleucylglycylaspartylprolylglycylisoleucylglutamylglutaminylsErylleucyllysylisoleucylaspartylthreonylleucylIsoleucylglutamylalanylglycylalanylasparthlalanylleucylglutamylleucylglycylisoleucylprolylphenylalanylseRylaspartylprolylleucylalanylaspartylglycylpRolylthreOnylisoleucylglutaminylasPfraginylalanylthreonylleucylarfinylalanylphenylalanylalanylalanylglycylvalythreonylprolylalanylglutaminylcysteinylphenylalanylglutamylmethionylleucylalanylleuOylisoleucylarginylglutaminyllysyhistidylprolylthreonylisoleucylprolylisoleucylglycylleucylmethionyltyrosylalanylasparaginylleucylvalylphenylalanylasparaginyllysyglycylisoleucylaspartylglutamylphenylalanylthrosylalanylglutaminylcysteinylglutamyllysylvalylglycylvalylaspartylserylvalylleucylvalylalnylaspartylvalylprolylvalylglUtaminylglutamylserylalanylprolylphenylalanylarginylglutaminylalanylalanylleucylarginylhistidylasparaginyvalylalanylprolylisoleucylprolylisoleucylphenylalanylisoleucylphenylalanylisoleucylcysteinylprolylprolylaspartylalanylaspartylaspartylaspartylleucylleucylarginylglutaminylisoleucylalanylseryltyrosylglycylarginylglycyltyrosylthreonyltyrOsylleucylleucylserylarginylalanylglycylvalylthreonylglycylalanylglutamYlasparainylarginylalanylalanylleucylprolylleucylasparaginylhistidylleucylValylalanyllysylleucyllysylglutamyltyrosylasparaginylalanylalanylprolylprolylleucylglutaminylglgycylphenylalanylglycylisoleucylserylalanylprolylaspartylglutaminylvalyllysylalanylalanylisoleucylaspartylalanylglycylalanylalanylglycylalanylisoleucylserylglycylserylalanylisoleucylvalyllysylisoIeucylisoleucylglutamylglutaminylHistidylasparaginyliSoleucylglutamylprolylglutamyllysylmethionylleucylalanylalany

比起世界上最長的名字還要長得多。