noun
or pneu·mo·ko·ni·o·sis ˌ ̷ ̷mōˌkōnēˈōsə̇s ; also pneu·mo·no·co·ni·o·sis or pneu·mo·no·ko·ni·o·sis ˌ ̷ ̷mənōˌk-
( plural pneumoconio·ses or pneumoko·nio·ses -ˌsēz)
Etymology: pneumoconiosis, pneumokoniosis from New Latin, from pneum- + -coniosis (from coni- (II) + -osis ); pneumonoconiosis, pneumonokoniosis from New Latin, from pneumon- + -coniosis (from coni- (II) + -osis )
: a disease of the lungs caused by the habitual inhalation of irritant mineral or metallic particles — compare anthracosis , silicosis