(n.) A land surface reduced by erosion to the general condition of a plain, but not wholly devoid of hills; a base-level plain.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). peneplain. Retrieved September 22, 2026, from http://smartdefine.org/peneplain/definitions/2043319 |
| Chicago | Webster's. 2011. "peneplain" http://smartdefine.org/peneplain/definitions/2043319 (accessed September 22, 2026). |
| Harvard | Webster's 2011, peneplain, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/peneplain/definitions/2043319>. |
| MLA | Webster's. "peneplain" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/peneplain/definitions/2043319> |