vocabulary is cool: pneumonoultramicroscopicsilicovolcanoconiosis

pneu⋅mo⋅no⋅ul⋅tra⋅mi⋅cro⋅scop⋅ic⋅sil⋅i⋅co⋅ vol⋅ca⋅no⋅co⋅ni⋅o⋅sis

 [noo-muh-noh-uhl-truh-mahy-kruh-skop-ik-sil-i-koh-vol-key-noh-koh-nee-oh-sis, nyoo-]


–noun

an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cites as one of the longest words in the English language. 

Origin: 

< NL; an obscure term ostensibly referring to a lung disease caused by silica dust, sometimes cites as one of the longest words in the English language. see pneumono-, ultramicroscopic , silica, volcano,(pneumono)coniosis