What is the longest word in english?

Question:i mean what is the longest word ever???irrespective of vowels or consonants or syllables...or whatever...just the longest!?

Answers:
The longest word in any major English language dictionary is pneumono­ultra­micro­scopic­si... a 45-letter word supposed to refer to a lung disease contracted from the inhalation of volcanic ash, but research has discovered that this word was originally intended as a hoax. It has since been used in a close approximation of its originally intended meaning, lending at least some degree of validity to its claim.

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