noun
- A planet having a compact rocky surface like the Earth's; the four innermost planets in the solar system. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). terrestrial planet. Retrieved September 20, 2026, from http://smartdefine.org/terrestrial_planet/definitions/1227531 |
| Chicago | WordNet. 2010. "terrestrial planet" http://smartdefine.org/terrestrial_planet/definitions/1227531 (accessed September 20, 2026). |
| Harvard | WordNet 2010, terrestrial planet, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/terrestrial_planet/definitions/1227531>. |
| MLA | WordNet. "terrestrial planet" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/terrestrial_planet/definitions/1227531> |