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  What is the longest word in the English language?

The longest word in the English language is not, as most people believe the word: 'antidisestablishmentarianism'.

The longest word ever published in an English dictionary is: 'Pneumonoultramicroscopicsilico volcanoconiosis' (45 letters, no space)

This word, challenging to remember is sometimes spelled as -koniosis.

That would however only be the longest word formed for English dictionaries. There is actually a longer word that is a "place name" such as the hill in New Zealand: Taumatawhakatangihangakoauauotamateatur ipukakapikimaungahoronukupokai whenuakitanatahul (85 letters, no space)

This is the longest known word from an English-speaking country.

Yet, there are words even longer!

The are technical chemical names such as the 'coat protein, tobacco mosaic virus, dahlemense strain' which is comprised of a staggering 1,185 letters. These chemical names are not printed in English dictionaries and will never be taught in popular language programs such as Rosetta Stone. One that even trumps that is the full chemical name for the protein Titin which contains a mind-boggling 189,819 letters in it.

These "coined words" theoretically have no upper limit, and consequently would have no use at all in the written or spoken language.


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