It is an adjective referring to a sufferer of the disease pneumonoultramicroscopicsilicovolcanoconiosis.

Pneumonoultramicroscopicsilicovolcanoconiosis, a long word in English that has 45 letters and begins with the letter "P"

The 45-letter word pneumonoultramicroscopicsilicovolcanoconiosis is the longest English word that appears in a major dictionary.

Grampa, within proper context, successfully pronounces the word pneumonoultramicroscopicsilicovolcanoconiosis.

This round was notable for regular appearances of very long words such as Pneumonoultramicroscopicsilicovolcanoconiosis and Floccinaucinihilipilification.

Pneumonoultramicroscopicsilicovolcanoconiosis is a lung disease caused by the breathing-in of very small particles of sand or quartz dust found in volcanoes.

You note that pneumonoultramicroscopicsilicovolcanoconiosis, at 45 letters, exceeds Mr. Moynihan's purported neologism.

In 1935, president Everett M. Smith invented the word Pneumonoultramicroscopicsilicovolcanoconiosis at the annual League meeting.

Everett Smith is a puzzler who, in 1935 may have coined the word pneumonoultramicroscopicsilicovolcanoconiosis, also spelled pneumonoultramicroscopicsilicovolcanokoniosis as a hypothetical long word that could result from the protraction of medical terms.

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.

In 1988 Coia became the host of the BBC gameshow Catchword, memorable for the fact that seemingly every contestant endeavoured to employ the words floccinaucinihilipilification or pneumonoultramicroscopicsilicovolcanoconiosis during their efforts.

Since 1961, the longest word in the unabridged Merriam-Webster Third New International Dictionary has been pneumonoultramicroscopicsilicovolcanoconiosis - 45 letters - a made-up word describing a lung disease caused by breathing volcanic or other fine dust.

The longest word in any of the major English language dictionaries is pneumonoultramicroscopicsilicovolcanoconiosis, a word that refers to a lung disease contracted from the inhalation of very fine silica particles, specifically from a volcano; medically, it is the same as silicosis.