pneumonotramicroscopicsilicavolcanoconosis Share definition Flag A form of lung disease caused by the inhalation of silica dust. AKA the longest word ever. My grandma was diagnosed with pneumonotramicroscopicsilicavolcanoconosis this week pneumonotramicroscopicsilicavolcanoconosis by JXC000 October 5, 2020 0 0 Get merch Get the pneumonotramicroscopicsilicavolcanoconosis mug. Buy Now — $32.95 See more merch