[noo-muh-noh-uhl-truh-mahy-kruh-skop-ik-sil-i-koh-vol-key-noh-koh-nee-oh-sis, nyoo-] 
| an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cited as one of the longest words in the English language. |
| Main Entry: | pneumonoultramicroscopicsilicovolcanoconiosis |
| Part of Speech: | n |
| Definition: | supposedly the longest word in a dictionary, an artificial word said to mean a lung disease caused by the inhalation of silica dust |
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