noun
- The watery layer of the earth's surface; includes water vapor. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). hydrosphere. Retrieved September 23, 2026, from http://smartdefine.org/hydrosphere/definitions/1226969 |
| Chicago | WordNet. 2010. "hydrosphere" http://smartdefine.org/hydrosphere/definitions/1226969 (accessed September 23, 2026). |
| Harvard | WordNet 2010, hydrosphere, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/hydrosphere/definitions/1226969>. |
| MLA | WordNet. "hydrosphere" 23 October 2010. Web. 23 September 2026. <http://smartdefine.org/hydrosphere/definitions/1226969> |