Retrogradation

[Oralee]

movement in a direction that is, or seems to be, the opposite to that of most other stars, planets, etc. :

[Dianne]

a reaction in which the structure of starch (= a white substance that exists in large amounts in, for example, potatoes and rice) changes when it cools after being cooked :

[Merna]

The apparent temporary reverse motion of a planet (from east to west), resulting from the relative orbital progress of the earth and the planet.