MSH: A diffuse parenchymal lung disease caused by inhalation of dust and by tissue reaction to their presence. These inorganic, organic, particulate, or vaporized matters usually are inhaled by workers in their occupational environment, leading to the various forms (ASBESTOSIS; BYSSINOSIS; and others). Similar air pollution can also have deleterious effects on the general population.,CSP: any of a group of lung diseases resulting from inhalation of particles of industrial substances.,NCI: An occupational lung disorder caused by inhalation of dust particles. It is characterized by bilateral interstitial lung infiltrates. Representative examples include asbestosis, silicosis, anthracosis, and talc pneumoconiosis.