It depends on what language you are talking about and what you count as a word. In English, the longest word is sometimes listed as:
Methionylglutaminylarginytyrosylglutamylserylleucylphenylalanylalanyl-
glutaminylleucyllysylglutamylarginyllysylglutamylglycylalanylphenylalany-valylprolylphenylalanylvalythreonylleucylglycylaspartylprolyglycylisoleucyl-glutamylglutaminylserylleucyllysylisoleucylaspartylthreonylleucylisoleucyl-glutamylalanylglycylalanylaspartylalanylleucylglutamylleucylglycylglycylisoleucyl-prolylphenylalanylserylaspartylprolylleucelalanylaspartyglycyl-prolythreonylisoleucylglutamiylasparaginylalanylthreonylleucylarginylalanyl-phenylalanylalanylglycylvalyltheonylprolylalanylglutaminylcysteinylphenylalany-gllutamylmethionylleucyalanylleucylisoleucylarginylglutaminyllysylhistidylprolyl-threonylisoleucylpriIylisoleucylglycylleucylleucylmethionyltyrosylalanylasparaginylleucyl-valyphenylalanylasparaginyllysylgyycylisoleucylaspartylglutamyl-phenylalanyltyrosylalanylgutaminyllcysteinylglutamyllysylvalylglycylavlylaspartyl-serylvalylleucylvalylalanylaspartylvalyprolylvalylglutaminylglutamyllserylalany-prolyphenylalanylarginylglutaminylalanylalanylleucylarginylhistidylasparaginyl-vaylalanylprolylisoleucylphenylalanylisoleucylcysteinylprolylprolylaspartylalany-laspartylaspartylaspartylleucylleucylarginyglutaminylisoleucylalanyylseryltyrosyl-glycylarginylglycyltyrosylthreonyltyrosylleucylleucylserylarginylalanylglycyl-valythreonylglycylalanylglutamylasparaginylarginylanylalanylleucylprolylleucy-laspaaginylhistidylleucylvaylalanyllysylleucyllysylglutamyltyrosylasaraginyl-glycylphenylalanylglycylisoleucylalanylprolylaspartylglutaminylvalyllysylalany-lalanylisoleucylaspartylalanylalanyglycylalanylalanyglycylalanylisoleucylseryl-glycyserylalanylisoleucylbalyllsylisoleucylisoleucylglutamyyylglutaminyl-histidylasparaginylisoleucylglutamylprolyglutamyllysylmethionylleucylalany-lalanylleucyllysylvalylphenylalabylvalylglutaminlylprolylmethionyllysylalanylalany-lthreonylarginylserine.
However, chemical words are not considered words by some authorities, but rather, verbal formulae.
(If you click to edit this answer, you can see the full word. This website has trouble displaying it.).
see this link to see the longest word in the world. https://www.digitalspy.com/fun/a444700/longest-word-has-189819-letters-takes-three-hours-to-pronounce/ 'Methionylthreonylthreonylglutaminylarginyl...isoleucine' is the chemical name of 'titin' (also known as 'connectin') - the largest known protein. It has 189,819 letters.
The longest word in a dictionary is 45 letters long. The longest word EVER is 189,819 letters long and is the chemical name for Titin, the largest known protein.
The longest word in the english language is 189,819 letters long. The word itself is another name for titin, the largest known protein.
The longest word in the world is "pneumonoultramicroscopicsilicovolcanoconiosis," which is a lung disease caused by inhaling very fine silicate or quartz dust. It is more commonly known as pneumoconiosis.
Acetylseryltyrosylserylisoleucylthreonylserylprolylserylglutaminylphenylalanylvalylphenylalanylleucylserylserylvalyltryptophylalanylaspartylprolylisoleucylglutamylleucylleucylasparaginylvalylcysteinylthreonylserylserylleucylglycylasparaginylglutaminylphenylalanylglutaminylthreonylglutaminylglutaminylalanylarginylthreonylthreonylglutaminylvalylglutaminylglutaminylphenylalanylserylglutaminylvalyltryptophyllysylprolylphenylalanylprolylglutaminylserylthreonylvalylarginylphenylalanylprolylglycylaspartylvalyltyrosyllysylvalyltyrosylarginyltyrosylasparaginylalanylvalylleucylaspartylprolylleucylisoleucylthreonylalanylleucylleucylglycylthreonylphenylalanylaspartylthreonylarginylasparaginylarginylisoleucylisoleucylglutamylvalylglutamylasparaginylglutaminylglutaminylserylprolylthreonylthreonylalanylglutamylthreonylleucylaspartylalanylthreonylarginylarginylvalylaspartylaspartylalanylthreonylvalylalanylisoleucylarginylserylalanylasparaginylisoleucylasparaginylleucylvalylasparaginylglutamylleucylvalylarginylglycylthreonylglycylleucyltyrosylasparaginylglutaminylasparaginylthreonylphenylalanylglutamylserylmethionylserylglycylleucylvalyltryptophylthreonylserylalanylprolylalanyl­serine Also known as pneumono­ultra­micro­scopic­silico­volcano­coniosis.
The Iron man competition
Well, isn't that a fun question! The longest English word, "pneumonoultramicroscopicsilicovolcanoconiosis," has a total of 19 syllables. Isn't that just delightful? Remember, every word is like a happy little tree in the forest of language.
In 2017 there will be an eclipse in the united kingdom it will last 36 hours the longest known to man
solving for pi... as far as we know now, it is infinate.
The longest Psalm in the Bible is Psalm 119. It is known for its focus on the importance of God's word and consists of 176 verses.
The second longest recognized word is "lopado­temacho­selacho­galeo­kranio­leipsano­drim­hypo­trimmato­silphio­parao­melito­katakechy­meno­kichl­epi­kossypho­phatto­perister­alektryon­opte­kephallio­kigklo­peleio­lagoio­siraio­baphe­tragano­pterygon". The 183-letter word is a transliteration from Ancient Greek and originated as a fictional dish in Aristophane's Assemblywomen. It is considered to be the longest word that has ever appeared in literature.The second longest official word that is used in the English language is "pneumonoultramicroscopicsilicovolcano- coniosis" and describes a disease that involves the lungs (commonly known as black lung). It contains 45 letters.
The longest word in English language is pneumonoultramicroscopic silicovolcanoconiosis.(I split the word because it won't show up properly when I write it without breaking it up) It is the name of a lung disease. It is known as pneumonia in short.