The pronunciation of the longest word in the world, "pneumonoultramicroscopicsilicovolcanoconiosis", can be broken down into syllables:
- nyoo-muh-noh-uhl-truh-mahy-kruh-skop-ik-si-li-koh-vol-kay-noh-koh-nee-oh-sis
This word refers to a lung disease caused by inhaling very fine silica dust.
It's important to note that while this is often cited as the longest word in the English language, there are other words with even more letters. For example, the chemical name for "titin" has 189,819 letters, and it would take more than three hours to pronounce! However, "pneumonoultramicroscopicsilicovolcanoconiosis" is the longest word recognized by most dictionaries.