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Meaning of involution

in•vo•lu•tion

Pronunciation: (in"vu-l'shun), [key]
— n.
  1. an act or instance of involving or entangling; involvement.
  2. the state of being involved.
  3. something complicated.
    1. a rolling up or folding in upon itself.
    2. a part so formed.
  4. retrograde development; degeneration.
  5. the regressive changes in the body occurring with old age.
  6. a complex construction in which the subject is separated from its predicate by intervening clauses or phrases.
  7. a function that is its own inverse.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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