another term for lignite.
More example sentences
- The additional pressure and heat of the overburden gradually converts peat into another form of coal known as lignite or brown coal.
- Europe, for instance, has sufficient amounts of brown coal, or lignite, to keep the continent supplied with electrical power for the next 200 years or so.
- The Centre for Clean Power from Lignite, or brown coal, was successful in this current first round.
Definition of brown coal in:
- The US English dictionary