white damp

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Related to Whitedamp: chokedamp, mine damp, Black damp

white damp

[′wīt ‚damp]
(mining engineering)
In mining, carbon monoxide (CO); a gas that may be present in the afterdamp of a gas or coal-dust explosion, or in the gases given off by a mine fire; it is an important constituent of illuminating gas, supports combustion, and is very poisonous.