lignite

/ˌlɪgˈnaɪt/

Other forms: lignites

Definitions of lignite

1. noun

   intermediate between peat and bituminous coal
   synonyms: brown coal, wood coal

   types:

   jet

   a hard black form of lignite that takes a brilliant polish and is used in jewelry or ornamentation

   type of:

   coal

   fossil fuel consisting of carbonized vegetable matter deposited in the Carboniferous period

   humate

   material that is high in humic acids