Involution

Involution occurs when something turns in upon itself. It may refer to:

  • Involute, a construction in the differential geometry of curves
  • Involution (agriculture), intensification of production through increased labour inputs
  • Involution (mathematics), a function that is its own inverse
  • Involution (medicine), the shrinking of an organ (such as the uterus after pregnancy)
  • Involution (philosophy), a "turning in" on one's self
  • Involution (esoterism), several notions of a counterpart to evolution
  • Involution (Meher Baba), the inner path of the human soul to the self
  • Involution (literature), a work that turns in on itself