retrogradation

views updated May 29 2018

ret·ro·gra·da·tion / ˌretrōgrāˈdāshən/ • n. Astron. & Astrol. the apparent temporary reverse motion of a planet (from east to west), resulting from the relative orbital progress of the earth and the planet. ∎  the orbiting or rotation of a planet or planetary satellite in a reverse direction from that normal in the solar system.

retrogradation

views updated May 11 2018

retrogradation See staling.

More From encyclopedia.com