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Medical Definition of Pneumonomelanosis
1. Blackening of the lung tissue from the inhalation of coal dust or other black particles. Synonym: pneumonomelanosis. Origin: G. Pneumon, lung, + melanosis, a becoming black (05 Mar 2000)
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1. Blackening of the lung tissue from the inhalation of coal dust or other black particles. Synonym: pneumonomelanosis. Origin: G. Pneumon, lung, + melanosis, a becoming black (05 Mar 2000)