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From Biology-Online Dictionary | Biology-Online Dictionary
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The blackening of the lung tissue, especially, as caused by coal pneumoconiosis.


The blackening of the lungs can be caused by the deposition of carbon or coal dust particles as a result of the continued inhalation of coal dust mine or other black particles.

Word origin: Greek pneumon, lung + -melanosis, becoming black.

Variant: pneumonomelanosis.

Synonyms: lung melanosis.