coal

  1. Noun.  (uncountable) A black rock formed from prehistoric plant remains, composed largely of carbon and burned as a fuel.
  2. Noun.  (countable) A piece of coal used for burning. Note that in British English the first of the following examples would usually be used, whereas in American English the latter would.
  3. Noun.  (countable) A type of coal, such as bituminous, anthracite, or lignite, and grades and varieties thereof.
  4. Noun.  (countable) A smouldering piece of material.
  5. Verb.  To take in coal; as, the steamer coaled at Southampton.
  6. Verb.  To be converted to charcoal.

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This entry was last updated on RefTopia from its source on 3/20/2012.