noun
- The great circle on the celestial sphere midway between the celestial poles.
- synonyms: celestial equator, equinoctial line, equinoctial
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). equinoctial circle. Retrieved September 20, 2026, from http://smartdefine.org/equinoctial_circle/definitions/1273307 |
| Chicago | WordNet. 2010. "equinoctial circle" http://smartdefine.org/equinoctial_circle/definitions/1273307 (accessed September 20, 2026). |
| Harvard | WordNet 2010, equinoctial circle, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/equinoctial_circle/definitions/1273307>. |
| MLA | WordNet. "equinoctial circle" 23 October 2010. Web. 20 September 2026. <http://smartdefine.org/equinoctial_circle/definitions/1273307> |