pneumoconiosis of coal miners, caused by coal dust; anthracosis.
another name for pneumoconiosis
An occupational disease of coal miners caused by the long-term inhalation of coal dust, characterized by the presence of coal around the bronchioles on x-ray images. Most patients develop no symptoms, but a few advance to progressive obstruction of the airways and destruction of lung tissue with accompanying shortness of breath and eventual respiratory disability.
magic used for evil purposes; witchcraft; sorcery (contrasted with white magic). noun magic used for evil purposes by invoking the power of the devil
any payment extorted by intimidation, as by threats of injurious revelations or accusations. the extortion of such payment: He confessed rather than suffer the dishonor of blackmail. a tribute formerly exacted in the north of England and in Scotland by freebooting chiefs for protection from pillage. to extort money from (a person) by the use […]
a tree, Acer saccharum nigrum, of eastern and central North America, having furrowed, blackish bark and yellow-green flowers.
a grayish grunt, Anisotremus surinamensis, of the Atlantic Ocean from Florida to Brazil.