involution
Definition from Wiktionary, the free dictionary
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English [edit]
Etymology [edit]
From Latin involutio, from volvere ‘to roll’.
Pronunciation [edit]
Noun [edit]
involution (plural involutions)
- entanglement; a spiralling inwards; intricacy
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- 1968: ‘Gomez,’ said the mortician, ‘is an expert only on the involutions of his own rectum.’ — Anthony Burgess, Enderby Outside
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- (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.
- 1996, Alfred J. Menezes et al, Handbook of Applied Cryptography, CRC Press, page 10:
- (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 [edit]
See also [edit]
Translations [edit]
mathematics; an endofunction whose square is equal to the identity function; a function equal to its inverse
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