lignite

/ˈlɪɡnaɪt/
noun
  1. A soft, brown type of coal that is between peat and harder coal in how much it has been compressed and heated.
    • Unlike hard coal, lignite crumbles easily and has a lower energy content.
    • Lignite is often used in power plants because it is cheap and easy to mine.
    • The region's main energy source comes from burning lignite.
Synonyms
What does "lignite" mean? | whatsthatwordmean | whatsthatwordmean