noun
- The atmospheric layer between the mesosphere and the exosphere. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). thermosphere. Retrieved September 21, 2026, from http://smartdefine.org/thermosphere/definitions/1324383 |
| Chicago | WordNet. 2010. "thermosphere" http://smartdefine.org/thermosphere/definitions/1324383 (accessed September 21, 2026). |
| Harvard | WordNet 2010, thermosphere, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/thermosphere/definitions/1324383>. |
| MLA | WordNet. "thermosphere" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/thermosphere/definitions/1324383> |