black lung

from The American Heritage® Dictionary of the English Language, 5th Edition.

• noun Pneumoconiosis caused by the long-term inhalation of coal dust.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Med.) the popular name for a form of the chronic lung disease pneumoconiosis which is observed among coal miners, and is caused by the inhalation of coal dust. It is thus named because of the black appearance of the lungs (pneumomelanosis) of those affected with the disease. See also the related condition anthracosis.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun pathology The chronic disease of the lungs, pneumoconiosis, caused by the long-term inhalation of coal dust.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun lung disease caused by inhaling coal dust