Question

which is the longest word in this world?
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Answer 1

Explanation:

pneumonoultramicroscopicsilicovolcanoconiosis

Appearing in the Oxford English Dictionary, this 45-letter word for a disease is the longest English word that is defined in a major dictionary. It's a technical word referring to the lung disease more commonly known as silicosis.

Answer 2

Pneumonoultramicroscopicsilicovolcanoconiosis (45 letters) Pneumoconiosis comes after you inhale very fine silicate or quartz dust.