Question

what is the longest word in the english dictionary?​

Answer 1

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

Answer:

•Pneumonoultramicroscopicsilicovolcanoconiosis

• Supercalifragilisticexpialidocious