List of equinox synonyms and equinox related words.
aphelion, apogee, astronomical longitude, autumnal equinox, celestial equator, celestial longitude, celestial meridian, circle, colures, ecliptic, equator, equinoctial, equinoctial circle, equinoctial colure, galactic longitude, geocentric longitude, geodetic longitude, great circle, heliocentric longitude, longitude, meridian, orbit, perigee, perihelion, period, small circle, solstice, solstitial colure, summer solstice, trajectory, vernal equinox, winter solstice, zodiac, zone