4. (Gram.)
Defn: The insertion of one or more clauses between the subject and the verb, in a way that involves or complicates the construction.
5. (Math.)
Defn: 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.
6. (Geom.)
Defn: 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.
7. (Med.)
Defn: The return of an enlarged part or organ to its normal size, as of the uterus after pregnancy.
INVOLVE
In*volve", v. t. [imp. & p. p. Involved; p. pr. & vb. n. Involving.]
Etym: [L. involvere, involutum, to roll about, wrap up; pref. in- in
+ volvere to roll: cf. OF. involver. See Voluble, and cf. Involute.]
1. To roll or fold up; to wind round; to entwine. Some of serpent kind . . . involved Their snaky folds. Milton.