- A bituminous or hydrogenous coal yielding a high percentage of volatile material, and therefore available for the manufacture of illuminating gas.
- (Can we find and add a quotation of R. W. Raymond to this entry?)
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for gas coal in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.)