The Collaborative International Dictionary of English v.0.48:

Anthracosis \An`thra*co"sis\, n. [NL. See Anthrax.] (Med.)
   A chronic lung disease, common among coal miners, due to the
   inhalation of coal dust; -- called also collier's lung and
   miner's phthisis. See also the related conditions
   pneumomelanosis and pneumoconiosis (black lung).
   [Webster 1913 Suppl.]

WordNet (r) 3.0 (2006):

anthracosis
    n 1: lung disease caused by inhaling coal dust [syn:
         anthracosis, black lung, black lung disease, coal
         miner's lung]