firedamp fired • firedog · · · Info · Definitions · Characters · · firedamp · · Text Latin · · Script 8 · · Length Definitions · · · (noun) a mixture of gases (mostly methane) that form in coal mines and become explosive when mixed with air. · · Noun Definition 1 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 e latin small letter e U+0065 f latin small letter f U+0066 i latin small letter i U+0069 m latin small letter m U+006D p latin small letter p U+0070 r latin small letter r U+0072