Definition of involution in English:

involution

noun ɪnvəˈl(j)uːʃ(ə)nˌɪnvəˈluʃən

1Physiology
mass noun The shrinkage of an organ in old age or when inactive, e.g. of the uterus after childbirth.
Example sentencesExamples
- Routine sections revealed normal thymic tissue with fatty involution and no evidence of tumor.
- This response is likely due to an increase in the amount of time required for uterine involution for primiparous cows but also may be related to maternal bonding between the cow and calf.
- Short dry periods provide insufficient time for regeneration and involution of mammary gland tissue.
- Gradual involution of the Bartholin's glands can occur by the time a woman reaches 30 years of age.
- As gastrulation proceeds, the region of involution spreads laterally and vegetally so that involution involves the vegetal endoderm and so forms a circle around a plug of yolky cells.
2Mathematics
A function, transformation, or operator that is equal to its inverse, i.e. which gives the identity when applied to itself.
Example sentencesExamples
- This work contains fundamental ideas of projective geometry such as the cross-ratio, perspective, involution and the circular points at infinity.
- He is also remembered by those working in algebraic geometry for his discovery of an involution, now named after him.
- In his text Traité de géométrie in 1852 Chasles discusses cross ratio, pencils and involutions, all notions which he introduced.
- The book also treats von Staudt's theory of complex elements as defined by real involutions.
- The manner of their joining reflects the involutions of a Mobius strip.
3formal mass noun The process of complicating something, or the state of being complicated.
periods of artistic involution
Example sentencesExamples
- Urban annotation thus becomes a process of involution, an intensive rather than an extensive phenomenon: a potential anti-sprawl.
- Out of its own impulse and initiative of the Spirit, a process of involutions occurred for some limited purpose, the precise nature of which is beyond human comprehension.
- Rejecting ‘one-word-after-another word English’, Foster Wallace's idiosyncratic prose captures the ‘internal head-speed’ of those rapidly losing the plot, mimicking the loopy narratives of their self-defeating involutions.
- All the familiar elements - the deliberate, stately percussion; the elongated, cyclical riffs; the snarled lyrical tautologies and abstruse involutions - are all intact.
- And like, a dear friend of mine, a lawyer had said, ‘that we should be involved in the process of evolution and not in the process of involution.’
- In the London ‘Rubaiyat’, the ornamentation characterised by scroll-like involutions of ‘A Book of Verse’ is largely replaced by overlapping elliptical and oval shapes formed from the intersections of vine branches.
- Three years ago, disturbed by the politics and social involution of a mere work-for-the-dole scheme, I delivered a paper in Sydney entitled ‘There is no such thing as a welfare economy’.
- And the involutions of plot become if anything more elaborate than in the first half of the poem.
- Stephen Kent, of the University of Alberta examines the revolutions and involutions of this change in his book From Slogan Chanters to Mantra Chanters.
- In ‘Mister Squishy,’ the story about the focus group, the main character, Terry Schmidt, is strewn about in this medium, a strange involution of tone and form.
- In other words, it is a process of involution with Puram Shiva getting involved increasing with each step and descending to the stage where it look as physical.
- The result is an irreversible and progressive process of involution as death approaches.
- Kubrick's movie, more English than American, more comedy than tragedy, is subtle in its imagery yet comes nowhere near capturing the literary involutions, moral outrage, and the passion of Nabokov's novel.
Synonyms
complexity, intricacy, complication, twist, turn, entanglement, contortion

Derivatives

involutional

adjective ˌɪnvəˈl(j)uːʃ(ə)n(ə)lˌɪnvəˈluʃ(ə)nl

This technique allows for the possibility of improving breast aesthetics in women with involutional (ie, decrease in size of the breasts) changes after childbirth or menopause.
Example sentencesExamples
- In the involutional phase of juvenile hemangioma, the capillary proliferation is replaced by loose fibroadipose tissue.
- The more abundant cellular infiltrate in the tumors from the 2 older groups might reflect an involutional process comparable to the involutional changes of the breast parenchyma in postpartum and menopausal women.
- A PET Scan showed globally decreased radiotracer uptake within the brain, bilaterally, consistent with involutional change and prior radiation therapy.
- A decrease in size suggestive of involutional changes was noted in 2 cases.

Origin

Late Middle English (in the sense ( 'part) curling inwards'): from Latin involutio(n-), from involvere (see involve).

Definition of involution in US English:

involution

nounˌɪnvəˈluʃənˌinvəˈlo͞oSHən

1Physiology
The shrinkage of an organ in old age or when inactive, e.g. of the uterus after childbirth.
Example sentencesExamples
- As gastrulation proceeds, the region of involution spreads laterally and vegetally so that involution involves the vegetal endoderm and so forms a circle around a plug of yolky cells.
- Routine sections revealed normal thymic tissue with fatty involution and no evidence of tumor.
- This response is likely due to an increase in the amount of time required for uterine involution for primiparous cows but also may be related to maternal bonding between the cow and calf.
- Gradual involution of the Bartholin's glands can occur by the time a woman reaches 30 years of age.
- Short dry periods provide insufficient time for regeneration and involution of mammary gland tissue.
2Mathematics
A function, transformation, or operator that is equal to its inverse, i.e. which gives the identity when applied to itself.
Example sentencesExamples
- The manner of their joining reflects the involutions of a Mobius strip.
- The book also treats von Staudt's theory of complex elements as defined by real involutions.
- This work contains fundamental ideas of projective geometry such as the cross-ratio, perspective, involution and the circular points at infinity.
- He is also remembered by those working in algebraic geometry for his discovery of an involution, now named after him.
- In his text Traité de géométrie in 1852 Chasles discusses cross ratio, pencils and involutions, all notions which he introduced.
3formal The process of involving or complicating, or the state of being involved or complicated.
periods of artistic involution
Example sentencesExamples
- Rejecting ‘one-word-after-another word English’, Foster Wallace's idiosyncratic prose captures the ‘internal head-speed’ of those rapidly losing the plot, mimicking the loopy narratives of their self-defeating involutions.
- All the familiar elements - the deliberate, stately percussion; the elongated, cyclical riffs; the snarled lyrical tautologies and abstruse involutions - are all intact.
- And the involutions of plot become if anything more elaborate than in the first half of the poem.
- Kubrick's movie, more English than American, more comedy than tragedy, is subtle in its imagery yet comes nowhere near capturing the literary involutions, moral outrage, and the passion of Nabokov's novel.
- In the London ‘Rubaiyat’, the ornamentation characterised by scroll-like involutions of ‘A Book of Verse’ is largely replaced by overlapping elliptical and oval shapes formed from the intersections of vine branches.
- Stephen Kent, of the University of Alberta examines the revolutions and involutions of this change in his book From Slogan Chanters to Mantra Chanters.
- In ‘Mister Squishy,’ the story about the focus group, the main character, Terry Schmidt, is strewn about in this medium, a strange involution of tone and form.
- And like, a dear friend of mine, a lawyer had said, ‘that we should be involved in the process of evolution and not in the process of involution.’
- Out of its own impulse and initiative of the Spirit, a process of involutions occurred for some limited purpose, the precise nature of which is beyond human comprehension.
- The result is an irreversible and progressive process of involution as death approaches.
- Urban annotation thus becomes a process of involution, an intensive rather than an extensive phenomenon: a potential anti-sprawl.
- Three years ago, disturbed by the politics and social involution of a mere work-for-the-dole scheme, I delivered a paper in Sydney entitled ‘There is no such thing as a welfare economy’.
- In other words, it is a process of involution with Puram Shiva getting involved increasing with each step and descending to the stage where it look as physical.
Synonyms
complexity, intricacy, complication, twist, turn, entanglement, contortion

Origin

Late Middle English (in the sense (‘part) curling inwards’): from Latin involutio(n-), from involvere (see involve).

单词	involution
释义	Definition of involution in English: involution noun ɪnvəˈl(j)uːʃ(ə)nˌɪnvəˈluʃən 1Physiology mass noun The shrinkage of an organ in old age or when inactive, e.g. of the uterus after childbirth. Example sentencesExamples Routine sections revealed normal thymic tissue with fatty involution and no evidence of tumor. This response is likely due to an increase in the amount of time required for uterine involution for primiparous cows but also may be related to maternal bonding between the cow and calf. Short dry periods provide insufficient time for regeneration and involution of mammary gland tissue. Gradual involution of the Bartholin's glands can occur by the time a woman reaches 30 years of age. As gastrulation proceeds, the region of involution spreads laterally and vegetally so that involution involves the vegetal endoderm and so forms a circle around a plug of yolky cells. 2Mathematics A function, transformation, or operator that is equal to its inverse, i.e. which gives the identity when applied to itself. Example sentencesExamples This work contains fundamental ideas of projective geometry such as the cross-ratio, perspective, involution and the circular points at infinity. He is also remembered by those working in algebraic geometry for his discovery of an involution, now named after him. In his text Traité de géométrie in 1852 Chasles discusses cross ratio, pencils and involutions, all notions which he introduced. The book also treats von Staudt's theory of complex elements as defined by real involutions. The manner of their joining reflects the involutions of a Mobius strip. 3formal mass noun The process of complicating something, or the state of being complicated. periods of artistic involution Example sentencesExamples Urban annotation thus becomes a process of involution, an intensive rather than an extensive phenomenon: a potential anti-sprawl. Out of its own impulse and initiative of the Spirit, a process of involutions occurred for some limited purpose, the precise nature of which is beyond human comprehension. Rejecting ‘one-word-after-another word English’, Foster Wallace's idiosyncratic prose captures the ‘internal head-speed’ of those rapidly losing the plot, mimicking the loopy narratives of their self-defeating involutions. All the familiar elements - the deliberate, stately percussion; the elongated, cyclical riffs; the snarled lyrical tautologies and abstruse involutions - are all intact. And like, a dear friend of mine, a lawyer had said, ‘that we should be involved in the process of evolution and not in the process of involution.’ In the London ‘Rubaiyat’, the ornamentation characterised by scroll-like involutions of ‘A Book of Verse’ is largely replaced by overlapping elliptical and oval shapes formed from the intersections of vine branches. Three years ago, disturbed by the politics and social involution of a mere work-for-the-dole scheme, I delivered a paper in Sydney entitled ‘There is no such thing as a welfare economy’. And the involutions of plot become if anything more elaborate than in the first half of the poem. Stephen Kent, of the University of Alberta examines the revolutions and involutions of this change in his book From Slogan Chanters to Mantra Chanters. In ‘Mister Squishy,’ the story about the focus group, the main character, Terry Schmidt, is strewn about in this medium, a strange involution of tone and form. In other words, it is a process of involution with Puram Shiva getting involved increasing with each step and descending to the stage where it look as physical. The result is an irreversible and progressive process of involution as death approaches. Kubrick's movie, more English than American, more comedy than tragedy, is subtle in its imagery yet comes nowhere near capturing the literary involutions, moral outrage, and the passion of Nabokov's novel. Synonyms complexity, intricacy, complication, twist, turn, entanglement, contortion Derivatives involutional adjective ˌɪnvəˈl(j)uːʃ(ə)n(ə)lˌɪnvəˈluʃ(ə)nl This technique allows for the possibility of improving breast aesthetics in women with involutional (ie, decrease in size of the breasts) changes after childbirth or menopause. Example sentencesExamples In the involutional phase of juvenile hemangioma, the capillary proliferation is replaced by loose fibroadipose tissue. The more abundant cellular infiltrate in the tumors from the 2 older groups might reflect an involutional process comparable to the involutional changes of the breast parenchyma in postpartum and menopausal women. A PET Scan showed globally decreased radiotracer uptake within the brain, bilaterally, consistent with involutional change and prior radiation therapy. A decrease in size suggestive of involutional changes was noted in 2 cases. Origin Late Middle English (in the sense ( 'part) curling inwards'): from Latin involutio(n-), from involvere (see involve). Definition of involution in US English: involution nounˌɪnvəˈluʃənˌinvəˈlo͞oSHən 1Physiology The shrinkage of an organ in old age or when inactive, e.g. of the uterus after childbirth. Example sentencesExamples As gastrulation proceeds, the region of involution spreads laterally and vegetally so that involution involves the vegetal endoderm and so forms a circle around a plug of yolky cells. Routine sections revealed normal thymic tissue with fatty involution and no evidence of tumor. This response is likely due to an increase in the amount of time required for uterine involution for primiparous cows but also may be related to maternal bonding between the cow and calf. Gradual involution of the Bartholin's glands can occur by the time a woman reaches 30 years of age. Short dry periods provide insufficient time for regeneration and involution of mammary gland tissue. 2Mathematics A function, transformation, or operator that is equal to its inverse, i.e. which gives the identity when applied to itself. Example sentencesExamples The manner of their joining reflects the involutions of a Mobius strip. The book also treats von Staudt's theory of complex elements as defined by real involutions. This work contains fundamental ideas of projective geometry such as the cross-ratio, perspective, involution and the circular points at infinity. He is also remembered by those working in algebraic geometry for his discovery of an involution, now named after him. In his text Traité de géométrie in 1852 Chasles discusses cross ratio, pencils and involutions, all notions which he introduced. 3formal The process of involving or complicating, or the state of being involved or complicated. periods of artistic involution Example sentencesExamples Rejecting ‘one-word-after-another word English’, Foster Wallace's idiosyncratic prose captures the ‘internal head-speed’ of those rapidly losing the plot, mimicking the loopy narratives of their self-defeating involutions. All the familiar elements - the deliberate, stately percussion; the elongated, cyclical riffs; the snarled lyrical tautologies and abstruse involutions - are all intact. And the involutions of plot become if anything more elaborate than in the first half of the poem. Kubrick's movie, more English than American, more comedy than tragedy, is subtle in its imagery yet comes nowhere near capturing the literary involutions, moral outrage, and the passion of Nabokov's novel. In the London ‘Rubaiyat’, the ornamentation characterised by scroll-like involutions of ‘A Book of Verse’ is largely replaced by overlapping elliptical and oval shapes formed from the intersections of vine branches. Stephen Kent, of the University of Alberta examines the revolutions and involutions of this change in his book From Slogan Chanters to Mantra Chanters. In ‘Mister Squishy,’ the story about the focus group, the main character, Terry Schmidt, is strewn about in this medium, a strange involution of tone and form. And like, a dear friend of mine, a lawyer had said, ‘that we should be involved in the process of evolution and not in the process of involution.’ Out of its own impulse and initiative of the Spirit, a process of involutions occurred for some limited purpose, the precise nature of which is beyond human comprehension. The result is an irreversible and progressive process of involution as death approaches. Urban annotation thus becomes a process of involution, an intensive rather than an extensive phenomenon: a potential anti-sprawl. Three years ago, disturbed by the politics and social involution of a mere work-for-the-dole scheme, I delivered a paper in Sydney entitled ‘There is no such thing as a welfare economy’. In other words, it is a process of involution with Puram Shiva getting involved increasing with each step and descending to the stage where it look as physical. Synonyms complexity, intricacy, complication, twist, turn, entanglement, contortion Origin Late Middle English (in the sense (‘part) curling inwards’): from Latin involutio(n-), from involvere (see involve).
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