Involution definition

ĭnvə-lo͝oshən
(mathematics) An operation, such as negation, which, when applied to itself, returns the original number.
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(biol.) A retrograde or degenerative change.
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Intricacy; complexity.
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Something, such as a long grammatical construction, that is intricate or complex.
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(embryology) The ingrowth and curling inward of a group of cells, as in the formation of a gastrula from a blastula.
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The act of involving.
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The state of being involved.
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A decrease in size of an organ, as of the uterus following childbirth.
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A progressive decline or degeneration of normal physiological functioning occurring as a result of the aging process.
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An entanglement, complication, or intricacy.
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(anat.) The process of rolling or curling inward, as in the formation of a gastrula.
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(gram.) An involved construction, esp. one created by a clause interposed between a subject and its predicate.
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(math.) The raising of a quantity to any given power.
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The return of an organ to its normal size after distention, as of the uterus after childbirth.
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A decline in the normal functions of the human body or of an organ occurring with age, as the changes taking place at menopause.
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(embryology) The ingrowth and curling inward of a group of cells, as in the formation of a gastrula from a blastula.
noun
0
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A decrease in size of an organ, as of the uterus following childbirth.
noun
0
0
A progressive decline or degeneration of normal physiological functioning occurring as a result of the aging process.
noun
0
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A mathematical operation, such as negation, which, when applied to itself, returns the original number.
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0
The ingrowth and curling inward of a group of cells, as in the formation of a gastrula from a blastula.
0
0
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A decrease in size of an organ, as of the uterus following childbirth.
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Entanglement; a spiralling inwards; intricacy.

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(mathematics) An endofunction whose square is equal to the identity function; a function equal to its inverse.
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(physiology) The regressive changes in the body occurring with old age.
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Other Word Forms

Noun

Singular:
involution
Plural:
involutions

Origin of involution

  • Latin involūtiō involūtiōn- from involūtus past participle of involvere to enwrap involve

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Latin involutio, from volvere ‘to roll’.

    From Wiktionary