| equinoctial point | | |
| n. | 1. equinoctial point, equinox | (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic. |
| ~ astronomy, uranology | the branch of physics that studies celestial bodies and the universe as a whole. |
| ~ celestial point | a point in the heavens (on the celestial sphere). |
| ~ vernal equinox | (astronomy) the equinoctial point that lies in the constellation of Pisces. |
| ~ autumnal equinox | (astronomy) the equinoctial point that lies in the constellation of Virgo. |
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