An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

Of or relating to an equinox or to the equality of day and night.

Adjective of → equinox.

The great circle of the celestial sphere through the celestial poles and equinoxes; the hour circle of the vernal equinox. → colure.

→ equinoctial; → colure.

One of the two points of intersection of the ecliptic and the celestial equator. Same as equinox.

→ equinoctial; → point.