No, it is not. Pneumonoultramicroscopicsilicovolcanoconiosis is.
Is, and/or In
I have heard that the word "set" has the longest entry in the Oxford Dictionary because of the many different meanings it has.
The longest word in the English dictionary is Pneumonoultramicroscopicsilicovolcanoconiosis. This is a lung disease.
pseudopseudohypoparathyroidism (30 letters).The longest word in the Oxford English Dictionary is the 45 letter word pneumonoultramicroscopicsilicovolcanoconiosis.According to the dictionary it is a lung disease causing inflammation of the lung from the inhalation of fine silica dust.
No, the spelling is Pneumonoultramicroscopicsilicovolcanoconiosis.
De-inhibition, is widely used in the English language but has no dictionary definition as it is not a real word.
set.
supercalifragalisticexpialidocious
In the English language try ' Antidisestablishmentarianism' ;,
I think you could make the argument that the word "pointless", by definition, is the most pointless word in the English Dictionary.
Pneumonoultramicroscopicsilicovolcanoconiosis is, according to the Oxford English Dictionary, "a factitious word alleged to mean 'a lung disease caused by the inhalation of very fine silica dust, causing inflammation in the lungs.'" A condition meeting the word's definition is normally called silicosis. The 45-letter word is the longest word ever to appear in an English language dictionary and is listed in the current edition of several dictionaries. Pneumonoultramicroscopicsilicovolcanoconiosis succeeded electrophotomicrographically as the longest word in the English language.