retrogradation

Low temperatures congeal everything the dough has absorbed and accelerate the staling process, or retrogradation.

A glance at each successive pair of dates will quickly disclose the periodical retrogradation of the eclipse epochs.

Frightful retrogradation of human nature, all the more hideous that it contrasted with the elegance of the costume!

In truth, however, the retrogradation was much slighter than appeared on the surface.

The arc of retrogradation is the angular distance thus apparently traversed.

But the advantages are all outward; if there be any inward change, it is apparently retrogradation, not advancement.