Synonyms for equinox


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
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See also: equinox (Dictionary)


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