noun
- A valley with steep sides; formed by a rift in the earth's crust. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). rift valley. Retrieved September 22, 2026, from http://smartdefine.org/rift_valley/definitions/1227368 |
| Chicago | WordNet. 2010. "rift valley" http://smartdefine.org/rift_valley/definitions/1227368 (accessed September 22, 2026). |
| Harvard | WordNet 2010, rift valley, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/rift_valley/definitions/1227368>. |
| MLA | WordNet. "rift valley" 23 October 2010. Web. 22 September 2026. <http://smartdefine.org/rift_valley/definitions/1227368> |