precessional pišâyâni Fr.: précessionnel Of or pertaing to → precession. → precession; → -al. |
precessional circle parhun-e pišâyâni Fr.: circle précessionnel The path of either → celestial poles around the → ecliptic pole due to the → precession of equinox. It takes about 26,000 years for the celestial pole to complete path. → precessional; → circle. |