Synonyms of 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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Definition and meaning of equinox (Dictionary)