What is the worlds largest word?

Answer 1

The longest word in the Oxford English Dictionary is:

Pneumonoultramicroscopicsilicovolcan oconiosis

Which is a lung disease caused by the inhalation of silica dust,

causing inflammation in the lungs.

Answer 2

Methionylglutaminylarginyltyrosylglutamylserylleucylphen-

ylalanylalanylglutaminylleucyllysylglutamylarginyllysylgluta-

mylglysylalanylphenylalanylvalylprolylphenylalanylyalylthre-

onylleucylglcycylaspartylprolylglicylisoleucyglutamylgluta-

minlserylleucyllysylisoleucylaspartylthreonylleucylisoleu-

cylglutamylalanylglyclyalanylaspartylalanylleucyglutamylle-

ucylgluycylisoleucylproluylphenylalanyserylaspartyprolylleu-

celalanylaspartylglycylprolylthreonylisolleucyglutaminylaspa-

raginylalanythreonylleucylarginylalanylphenylalanylalanylal-

anylglycylvalylthreonylprolylalanylglutaminylcysteinylphen-

ylalanylglglutamylmethionylleucyalanylleucylisoleucylarginyl-

glutaminyllysylhistidylprolyuthreonylisoleucylprolylisoleuc-

ylglycylleucylleucylmethionyltyrosylalanylasbaraginylleucyl-

valylphenylalanylsparaginyyllysylglycylisoleucylaspartylglut-

amylphenylalanylyltyrosylalanylglutaminylcysteinylglutamyll-

ysylvalylglycylvalylspartylserylvalylleucylvallalanylaspart-

ylvalylprolylvalvlglutaminylglutamylserylalanylprolylpheny-

lalalrginylglutaminylalanylalanylleucylarginylhistidylasp-

araginylvalylalalprolylisoleucylphenylalanylisoleucylcystei-

nylprolyprolylaspartylalanylaspartylaspartyspartyleucylle-

ucylarginylglutaminylisoleucylalanylseryltyroslglycylargin-

ylglycyltyrosylthreonyltyrosylleucylleucylserylarginlalanyl-

glycylvalylthreonylglycylalanylglutamylasparaginylarginyla-

nylalanylleucylprolylleucylaspaaginylhistidylleucylvalylalan-

yllysylleucyllysylglutamyltyrosylasparagimylalanylalanypro-

lylprolylleucylglutaminylglycylphenlalanylglycylisoleyucyls-

erylalanylprolylaspartylglutaminylvalyllysylalanylalanylisol-

eucylalspartylalanylglycylalanylalanylglycylalanylasoleucylse-

rylglycylserylalanylisoleucylbalyllysylisoleucylisoleucylgluta-

mylglutaminylhistidylasparaginylisoleucylglutamylpronylglu-0

tamyllysylmethionylluecylalanylalanyoeucyllysylvalylpheny-

lalanylvalylglutamilylprolylmethionyllysylalanylalanylthreo-

nylarginylserine.

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