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The Collaborative International Dictionary
Involution

Involution \In`vo*lu"tion\, n. [L. involutio: cf. F. involution. See Involve.]

  1. The act of involving or infolding.

  2. The state of being entangled or involved; complication; entanglement.

    All things are mixed, and causes blended, by mutual involutions.
    --Glanvill.

  3. That in which anything is involved, folded, or wrapped; envelope.
    --Sir T. Browne.

  4. (Gram.) The insertion of one or more clauses between the subject and the verb, in a way that involves or complicates the construction.

  5. (Math.) The act or process of raising a quantity to any power assigned; the multiplication of a quantity into itself a given number of times; -- the reverse of evolution.

  6. (Geom.) The relation which exists between three or more sets of points,

    1. a',

    2. b',

    3. c', so related to a point O on the line, that the product O

      1. Oa' = O

      2. Ob' = O

      3. Oc' is constant. Sets of lines or surfaces possessing corresponding properties may be in involution.

  7. (Med.) The return of an enlarged part or organ to its normal size, as of the uterus after pregnancy.

Douglas Harper's Etymology Dictionary
involution

late 14c., from Latin involutionem (nominative involutio) "a rolling up," noun of action from past participle stem of involvere (see involve). Related: Involutional.

Wiktionary
involution

n. 1 entanglement; a spiralling inwards; intricacy 2 (context mathematics English) An endofunction whose square is equal to the identity function; a function equal to its inverse. 3 (context physiology English) The regressive changes in the body occurring with old age. 4 (context mathematics obsolete English) A power: the result of raising one number to the power of another.

WordNet
involution
  1. n. reduction in size of an organ or part (as in the return of the uterus to normal size after childbirth)

  2. a long and intricate and complicated grammatical construction

  3. marked by elaborately complex detail [syn: elaborateness, elaboration, intricacy]

  4. the act of sharing in the activities of a group; "the teacher tried to increase his students' engagement in class activities" [syn: engagement, participation, involvement] [ant: non-engagement, non-engagement, non-engagement]

  5. the process of raising a quantity to some assigned power [syn: exponentiation]

  6. the action of enfolding something [syn: enfolding]

Wikipedia
Involution (mathematics)

In mathematics, an (anti-)involution, or an involutory function, is a function that is its own inverse,

for all in the domain of .

Involution (esoterism)

The term involution refers to different things depending on the writer. In some instances it refers to a process that occurs prior to evolution and gives rise to the cosmos, in others an aspect of evolution, and still others a process that follows the completion of evolution in the human form.

Involution (Meher Baba)

For Indian spiritual master Meher Baba, involution is the inner path of the human soul to the Self. Charles Haynes, in describing Meher Baba's sense of involution writes, "The old and new impressions, both of which create a veil over consciousness, gradually wear away, revealing an increasingly clearer experience of God; that is, the soul wearies of the world and is ready to begin the third phase of the journey, involution, which may be seen as the 'ascent' back to God."

Involution (philosophy)

In philosophy, involution refers to a situation in which a process or object is ontologically "turned in" upon itself.

Involution

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

  • Involute, a construction in the differential geometry of curves
  • Agricultural Involution: The Processes of Ecological Change in Indonesia, a study of 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 algebra, a *-algebra: an algebra equipped with an involution
  • Involution (music), Howard Hanson's term for inverting a scale
Involution (medicine)

Involution refers to the shrinking or return of an organ to a former size. At a cellular level, involution is characterized by the process of proteolysis of the basement membrane (basal lamina), leading to epithelial regression and apoptosis, with accompanying stromal fibrosis. The consequent reduction in cell number and reorganization of stromal tissue leads to the reduction in the size of the organ.

Usage examples of "involution".

As, however, the uterus undergoes perfect involution, it is restored to its original condition before the onset of the disease which rendered hysteropexy necessary.

But landward Cuin noted movement from the involutions of the jagged peaks down which he had come.

Though it was fashionable, so to speak, in this remote cove among the Great Smoky Mountains, to be repentant in rhetorical involutions and a self-accuser in fine-spun interpretations of sin, doubt, or more properly an eager questioning, a desire to possess the sacred mysteries of religion, was unprecedented.

And this embroidery, hanging on this wall, Hung there forever,--these so soundless glidings Of dragons golden-scaled, sheer birds of azure, Coilings of leaves in pale vermilion, griffins Drawing their rainbow wings through involutions Of mauve chrysanthemums and lotus flowers,-- This goblin wood where someone cries enchantment,-- This says, just such an involuted beauty Of thought and coiling thought, dream linked with dream, Image to image gliding, wreathing fires, Soundlessly cries enchantment in your mind: You need but sit and close your eyes a moment To see these deep designs unfold themselves.

Wix that his affairs were more and more involved, and her fellow partaker looked back tenderly, in the light of these involutions, at the expression of face with which he had greeted the proposal that he should set up another establishment.

This is the whole topic of involution and evolution, a topic that we will be following in all three volumes of this series, each time adding more perspectives to it.

Drake, and, at the sound of the famous fictional movie line echoing in the relevant air of this real place, they both laughed, the levels of self-consciousness attendant upon a contemporary journey like this were positively Piranesian in number and involution, the pertinent dialogue had already been spoken, the images already photographed, the unsullied, unscripted experience was practically extinct, and you were left to wander at best through a familiar maze of distorting mirrors -- unless somewhere up ahead the living coils of this river carried one down and out of the fun house.

And this embroidery, hanging on this wall, Hung there forever, -- these so soundless glidings Of dragons golden-scaled, sheer birds of azure, Coilings of leaves in pale vermilion, griffins Drawing their rainbow wings through involutions Of mauve chrysanthemums and lotus flowers, -- This goblin wood where someone cries enchantment, -- This says, just such an involuted beauty Of thought and coiling thought, dream linked with dream, Image to image gliding, wreathing fires, Soundlessly cries enchantment in your mind: You need but sit and close your eyes a moment To see these deep designs unfold themselves.

Now that which is of divine birth has a period which is contained in a perfect number, but the period of human birth is comprehended in a number in which first increments by involution and evolution (or squared and cubed) obtaining three intervals and four terms of like and unlike, waxing and waning numbers, make all the terms commensurable and agreeable to one another.

There are probably places that could treat someone like that, probably with some form of electromediated calcium involution, but it would cost as much as our ship is worth for the medtech.

But in involution or efflux, if we start with the highest and represent it as A, the next level down is A - B, the next is A B C, and so forth, since each involutionary efflux is a subtraction or a stepping-down from the ground of its predecessor.

The sheer depth and involution of the current nerdism binge would be hard to convey to anyone.

I thought it would be useful also, in all new draughts, to reform the style of the later British statutes, and of our own acts of assembly, which from their verbosity, their endless tautologies, their involutions of case within case, and parenthesis within parenthesis, and their multiplied efforts at certainty by saids and aforesaids, by ors and by ands, to make them more plain, do really render them more perplexed and incomprehensible, not only to common readers, but to the lawyers themselves.