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Definition of "coal" []

  • A natural dark brown to black graphitelike material used as a fuel, formed from fossilized plants and consisting of amorphous carbon with various organic and some inorganic compounds. (noun)
  • A piece of this substance. (noun)
  • A glowing or charred piece of solid fuel. (noun)
  • Charcoal. (noun)
  • To burn (a combustible solid) to a charcoal residue. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "coal" in a sentence
  • "Other health hazards specific to underground coal mining include coal dust, which can cause ‘coal worker’s pneumoconiosis’ or anthracosis, often combined with silicosis."
  • "For let me tell you, all you demobilised wallahs who know only those countries where the necessities of life were matters of private enterprise -- let me tell you that in this village, if I say that I require coal, _coal is here_, and with it the Bürgermeister inquiring politely if my needs are satisfied."
  • "There are gradations from bituminous coal into _anthracite coal_."