What is "retrogressions"

Usage examples of "retrogressions".

Age by age, myriad of years after myriad of years, with halts no doubt and retrogressions, came a change towards hardship and extreme conditions, came great alterations of level and great redistributions of mountain and sea.

This unequal rate of movement, interrupted by pauses, and at first with occasional retrogressions, accords well with our conclusion that heliotropism consists of modified circumnutation.

Visbhume called for ink, quill and parchment, and attempted calculations of his own, to the wondering curiosity of others at the inn, who at last decided him to be an astrologer calculating the moods, surges and retrogressions of the several planets: a conjecture which pleased Visbhume and which he took no pains to disabuse.

Owing to occasional retrogressions, to still more frequent moral and intellectual stagnation, and to the extraordinary fecundity of the Criminal and Vagabond Classes, there is always a vast superfluity of individuals of the half degree and single degree class, and a fair abundance of Specimens up to 10°.

He had heard tales of Wratha's awesome retrogressions but never before witnessed one.