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blackdamp

 - 3 dictionary results

black⋅damp

[blak-damp]
–noun Mining.
chokedamp.

Origin:
1830–40; black + damp

choke⋅damp

[chohk-damp]
–noun Mining.
mine atmosphere so low in oxygen and high in carbon dioxide as to cause choking.
Also called blackdamp.


Origin:
1635–45; choke + damp
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To blackdamp
black·damp   (blāk'dāmp')   
n.  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.

[black + damp, gas.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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