Synonyms for equinox
WordNet 2.0 Copyright © 2003 by Princeton University. All rights reserved.
- 1. equinox, cosmic time
- usage: either of two times of the year when the sun crosses the plane of the earth's equator and day and night are of equal length
- 2. equinoctial point, equinox, celestial point
- usage: (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic