I was always taught that it was 'antidisestablishmentarianism', though I can't say for certain that it is the longest non-medical word in the dictionary (and you haven't said which dictionary you want to use as your authority - they vary widely).
Antidisestablishmentarianism was the 19th century movement against the removal of state recognition from the established (Anglican) church in the UK. (It can also apply generally to other churches in other places and times.)
supercalifragalisticexpialidocious
No, it is not. Pneumonoultramicroscopicsilicovolcanoconiosis is.
Is, and/or In
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.
INDUSTRIALIZATION
set.
Inadvertadly
English is spoken in Australia, and the largest word in any English dictionary is pneumonoultramicroscopicsilicovolcanoconiosis. It has 45 letters and is the name of a lung disease.
PNEUMONO­ULTRA­MICRO­SCOPIC­SILICO­VOLCANO­CONIOSIS(also spelled PNEUMONO­ULTRA­MICRO­SCOPIC­SILICO­VOLCANO­KONIOSIS) = a lung disease caused by breathing in particles of siliceous volcanic dust. This is the longest word in any English dictionary.
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