| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| coal |
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| PRONUNCIATION: |  k l |
| NOUN: | 1a. 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. b. A piece of this substance. 2. A glowing or charred piece of solid fuel. 3. Charcoal. | | VERB: | Inflected forms: coaled, coal·ing, coals
| | TRANSITIVE VERB: | 1. To burn (a combustible solid) to a charcoal residue. 2. To provide with coal. | | INTRANSITIVE VERB: | To take on coal. | | ETYMOLOGY: | Middle English col, from Old English.
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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