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equinox

English

  1. 🔊 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. 🔊 (astronomy) either of the two celestial points at which the celestial equator intersects the ecliptic

Spanish

  1. 🔊 equinoccio equinox

Similar words

equinoctial point 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