Answer: involutions

AnswerCrossword Clue
involutionsINVOLUTION, the act of involving or infolding
involutionsThe shrinkage of an organ in old age or when inactive, e.g., of the uterus after childbirth
involutionsThe process of involving or complicating, or the state of being involved or complicated
involutionsA function, transformation, or operator that is equal to its inverse, i.e., which gives the identity when applied to itself