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A noncombustible gas that consists of a mixture of carbon dioxide and nitrogen, found in mines after fires or explosions and incapable of supporting life. Also called chokedamp.
(Mining & Quarrying) air that is low in oxygen content and high in carbon dioxide as a result of an explosion in a mine. Also called: chokedamp
mine atmosphere so low in oxygen and high in carbon dioxide as to cause choking. Also called blackdamp.
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|Noun||1.||blackdamp - the atmosphere in a mine following an explosion; high in carbon dioxide and incapable of supporting life|