noun
- The time for the earth to make one revolution around the sun, measured between two vernal equinoxes.
- synonyms: solar year, astronomical year, equinoctial year
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). tropical year. Retrieved September 21, 2026, from http://smartdefine.org/tropical_year/definitions/1317379 |
| Chicago | WordNet. 2010. "tropical year" http://smartdefine.org/tropical_year/definitions/1317379 (accessed September 21, 2026). |
| Harvard | WordNet 2010, tropical year, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/tropical_year/definitions/1317379>. |
| MLA | WordNet. "tropical year" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/tropical_year/definitions/1317379> |