- a combustible gas consisting chiefly of methane, formed especially in coal mines, and dangerously explosive when mixed with certain proportions of atmospheric air.
- the explosive mixture itself.
Origin of firedamp
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for firedamp
Mr. Crotchet, jun.—I hope, Mr. Firedamp, you will let your friendship carry you a little closer into the jaws of the lion.
Next to her is Mr. Firedamp, a very absurd person, who thinks that water is the evil principle.
Proceeding to the edge of the moat, they fished up Mr. Firedamp, who had missed his way back, and tumbled in.
As well might the vapours of the swamp be purified by filling it with the firedamp.
When exploded by electricity, as in the previous case, no flame was produced, nor was the firedamp ignited.
- a mixture of hydrocarbons, chiefly methane, formed in coal mines. It forms explosive mixtures with airSee also afterdamp
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012