Choke-damp, also called after-damp or foul-damp, is the carbonic acid gas given off by coal which accumulates in coal-mines, and may suffocate those exposed to it. It is distinguished from fire-damp, the marsh-gas or light carburetted hydrogen which causes the explosions. See COAL, MINING.
Choke-damp
Chambers's Encyclopaedia, Volume 3: Catarrh to Dion, p. 206
Source scan(s): p. 0217