retrogradation

The act of retrograding or moving backward; specifically, in astronomy, the act of moving from east to west relatively to the fixed stars, or contrary to the order of the signs and the usual direction of planetary motion: applied to the apparent motion of the planets. Also retrogression.

The act of going backward or losing ground; hence, a decline in strength or excellence; deterioration.

The act of retrograding, or moving backward.

The state of being retrograde; decline.

Motion in a retrograde manner

Decline, degradation

A reaction that takes place in gelatinized starch when the amylose and amylopectin chains realign themselves, largely responsible for bread becoming stale.