(n.) The state or quality of being mountainous.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). mountainousness. Retrieved September 22, 2026, from http://smartdefine.org/mountainousness/definitions/2034803 |
| Chicago | Webster's. 2011. "mountainousness" http://smartdefine.org/mountainousness/definitions/2034803 (accessed September 22, 2026). |
| Harvard | Webster's 2011, mountainousness, Smart Define, viewed 22 September, 2026, <http://smartdefine.org/mountainousness/definitions/2034803>. |
| MLA | Webster's. "mountainousness" 27 May 2011. Web. 22 September 2026. <http://smartdefine.org/mountainousness/definitions/2034803> |