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Pneumonoultramicroscopicsilicovolcanoconiosis- according to the Oxford English Dictionary (OED) - is a word alleged to mean 'a lung disease caused by the inhalation of very fine silica dust, causing inflammation in the lungs'.

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11y ago
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9y ago

The word contains 44 letters.

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Q: What is the meaning of the longest word of 45 letter Pneumonoultamicroscopicsilicovolcanoc...?
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