Involution :: Involution (n.) The act or process of raising a quantity to any power assigned; the multiplication of a quantity into itself a given number of times; -- the reverse of evolution.
Involution :: Involution (n.) The relation which exists between three or more sets of points, a.a', b.b', c.c', so related to a point O on the line, that the product Oa.Oa' = Ob.Ob' = Oc.Oc' is constant. Sets of lines or surfaces possessing corresponding properties may be in involution..
Involution :: Involution (n.) The return of an enlarged part or organ to its normal size, as of the uterus after pregnancy..
Self-involution :: Self-involution (n.) Involution in one's self; hence, abstraction of thought; reverie..
Subinvolution :: Subintestinal (a.) Situated under, or on the ventral side of, the intestine..