noun
- The time for the earth to make one complete revolution around the sun, relative to the fixed stars. .
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). sidereal year. Retrieved September 20, 2026, from http://smartdefine.org/sidereal_year/definitions/1250138 |
| Chicago | WordNet. 2010. "sidereal year" http://smartdefine.org/sidereal_year/definitions/1250138 (accessed September 20, 2026). |
| Harvard | WordNet 2010, sidereal year, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/sidereal_year/definitions/1250138>. |
| MLA | WordNet. "sidereal year" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/sidereal_year/definitions/1250138> |