noun
- A dark cloud of great vertical extent charged with electricity; associated with thunderstorms.
- synonyms: cumulonimbus cloud, thundercloud
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). cumulonimbus. Retrieved September 23, 2026, from http://smartdefine.org/cumulonimbus/definitions/1226782 |
| Chicago | WordNet. 2010. "cumulonimbus" http://smartdefine.org/cumulonimbus/definitions/1226782 (accessed September 23, 2026). |
| Harvard | WordNet 2010, cumulonimbus, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/cumulonimbus/definitions/1226782>. |
| MLA | WordNet. "cumulonimbus" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/cumulonimbus/definitions/1226782> |