Encyclopedia

coal

coal, fuel substance of plant origin, largely or almost entirely composed of carbon with varying amounts of mineral matter.

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The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2007, Columbia University Press. All rights reserved.

More on coal from Fact Monster:

  • bituminous coal - bituminous coal: bituminous coal: see coal.
  • cannel coal - cannel coal: cannel coal: see coal.
  • brown coal - brown coal: brown coal: see lignite.
  • coal: Types - Types There is a complete series of carbonaceous fuels, which differ from each other in the ...
  • coal: Formation - Formation The vegetable origin of coal is supported by the presence in coal of carbonized fibers, ...

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