involution
名词 involution:
reduction in size of an organ or part (as in the return of the uterus to normal size after childbirth)
a long and intricate and complicated grammatical construction
marked by elaborately complex detail
同义词:elaborateness, elaboration, intricacy
the act of sharing in the activities of a group
同义词:engagement, participation, involvement
the process of raising a quantity to some assigned power
同义词:exponentiation
the action of enfolding something
同义词:enfolding