Another term for anthracite.
More example sentences
- The statistics describe the use of hard coal in generation of electricity and heat in Finland.
- Miners of hard coal ratified a proposed contract today, ending a 30-day strike that began with their rejection of an earlier offer.
- The railways found that, because of the decreasing proportion of hard coal, even greater quantities of coal were required to provide the necessary locomotive running.
Definition of hard coal in:
- The US English dictionary