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Involution vs Devolution - What's the difference?

involution | devolution |

As nouns the difference between involution and devolution

is that involution is entanglement; a spiralling inwards; intricacy while devolution is a rolling down.

involution

English

Noun

(en noun)
  • entanglement; a spiralling inwards; intricacy
  • :* 1968': ‘Gomez,’ said the mortician, ‘is an expert only on the '''involutions of his own rectum.’ — Anthony Burgess, ''Enderby Outside
  • (mathematics) An endofunction whose square is equal to the identity function; a function equal to its inverse.
  • * 1996 , Alfred J. Menezes et al, Handbook of Applied Cryptography , CRC Press, page 10:
  • Involutions have the property that they are their own inverses.
  • (physiology) The regressive changes in the body occurring with old age.
  • (mathematics, obsolete) A power: the result of raising one number to the power of another.
  • Derived terms

    * involutional * involutionary

    See also

    * dual * selfdual

    devolution

    English

    Noun

    (en noun)
  • A rolling down.
  • A descent, especially one that passes through a series of revolutions, or by succession
  • The transference of a right to a successor, or of a power from one body to another.
  • (pejorative) Degeneration (as opposed to evolution).
  • (British) The transfer of some powers, and the delegation of some functions, from a central sovereign government to local government; eg. from Westminster to Scottish parliament and Welsh assembly.