|n(y)ümə(ˌ)nōˌəltrəˌmīkrəˈskäpikˈsilə̇(ˌ)kōˌvälˈkā(ˌ)nōˌkōnēˈōsə̇s noun
Etymology: New Latin, from pneumon- + International Scientific Vocabulary ultramicroscopic + New Latin silic- + volcano + -coniosis (from coni- (II) + -osis )
: a pneumoconiosis caused by the inhalation of very fine silicate or quartz dust and occurring especially in miners