- (n.) The outer part of the solid earth, the portion undergoing change through the gradual transfer of material by volcanic eruption, the circulation of underground water, and the process of erosion and deposition. It is, therefore, regarded as a third mobile envelope comparable with the hydrosphere and atmosphere.
- (n.) The solid earth as distinguished from its fluid envelopes, the hydrosphere and atmosphere.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). lithosphere. Retrieved September 21, 2026, from http://smartdefine.org/lithosphere/definitions/2028350 |
| Chicago | Webster's. 2011. "lithosphere" http://smartdefine.org/lithosphere/definitions/2028350 (accessed September 21, 2026). |
| Harvard | Webster's 2011, lithosphere, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/lithosphere/definitions/2028350>. |
| MLA | Webster's. "lithosphere" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/lithosphere/definitions/2028350> |