noun
- A region where there is coal underground. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). coalfield. Retrieved September 20, 2026, from http://smartdefine.org/coalfield/definitions/1224524 |
| Chicago | WordNet. 2010. "coalfield" http://smartdefine.org/coalfield/definitions/1224524 (accessed September 20, 2026). |
| Harvard | WordNet 2010, coalfield, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/coalfield/definitions/1224524>. |
| MLA | WordNet. "coalfield" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/coalfield/definitions/1224524> |