definition of
involution

[1] #1 involution n. reduction in size of an organ or part (as in the return of the uterus to normal size after childbirth). wn

[2] #2 involution n. a long and intricate and complicated grammatical construction. wn

[3] #3 involution n. [elaborateness, elaboration, intricacy] marked by elaborately complex detail. wn

[4] #4 involution n. [engagement, participation, involvement] the act of sharing in the activities of a group; "the teacher tried to increase his students' engagement in class activities". wn

[5] #5 involution n. [exponentiation] the process of raising a quantity to some assigned power. wn