brown coal

/braʊn koʊl/
IPA guide

Other forms: brown coals

Definitions of brown coal
  1. noun
    intermediate between peat and bituminous coal
    synonyms: lignite, wood coal
    see moresee less
    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
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