noun
- Time required for one complete cycle of the precession of the equinoxes, about 25, 800 years.
- synonyms: Platonic year
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). great year. Retrieved September 20, 2026, from http://smartdefine.org/great_year/definitions/1250254 |
| Chicago | WordNet. 2010. "great year" http://smartdefine.org/great_year/definitions/1250254 (accessed September 20, 2026). |
| Harvard | WordNet 2010, great year, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/great_year/definitions/1250254>. |
| MLA | WordNet. "great year" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/great_year/definitions/1250254> |