lignite

/'lignait/
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lignite

A worker examines a large, dark brown lump of lignite at a mining site.

Definition
  1. Noun:
    • A soft, brownish-black coal: Lignite is a type of coal that is intermediate in formation between peat and bituminous coal. It is considered a low-rank coal due to its relatively low heat content and high moisture content compared to higher-grade coals.
Usage Examples
  • Noun:
    • The power plant was designed to burn lignite efficiently.
    • Large deposits of lignite are found in this region.
Advanced Usage
  • "Brown coal": This is a common synonym for lignite, often used interchangeably, especially in European contexts.
    • The country's energy strategy relies heavily on brown coal.
Variants and Related Words
  • Sub-bituminous coal: A rank of coal that is slightly higher than lignite but still below bituminous coal.
  • Coalification: The process of plant material transforming into coal, through stages including peat, lignite, bituminous coal, and anthracite.
Synonyms
  • Brown coal: The most direct synonym.
  • Low-rank coal: A technical term describing its position in the coalification series.
Related Terms
  • Fossil fuel: Lignite is a type of fossil fuel.
  • Combustion: The primary process for which lignite is used, typically in electricity generation.
lignite

A worker examines a large, dark brown lump of lignite at a mining site.

Noun
  1. intermediate between peat and bituminous coal

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