involute

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involute

1. Botany (esp of petals, leaves, etc., in bud) having margins that are rolled inwards
2. (of certain shells) closely coiled so that the axis is obscured
3. Geometry the curve described by the free end of a thread as it is wound around another curve, the evolute, such that its normals are tangential to the evolute
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

involute

[¦in·və¦lüt]
(biology)
Being coiled, curled, or rolled in at the edge.
(mathematics)
A curve produced by any point of a perfectly flexible inextensible thread that is kept taut as it is wound upon or unwound from another curve.
A curve that lies on the tangent surface of a given space curve and is orthogonal to the tangents to the given curve.
A surface for which a given surface is one of the two surfaces of center.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

involute

1. A curve traced by a point at the end of a string as the string is unwound from a stationary cylinder.
2. Curved spirally.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Persistent Disturbances consists of seven brief stories, each a study in anomie: a recital of a couple, s tense visit to their parents, a hair-raising encounter between a woman and a friend of her lover's at the London Zoo, an increasingly involuted account of a violin-and-piano recital, mostly written in the present tense.
The result, often enough, is a kind of lyrical yet involuted free association.
Marat is the figure of both." It is in Cubism (and later Abstract Expressionism) that this to and fro of killing and representing results in the extraction of carnality from mimesis: "The body will end not by being robbed of its objecthood, but by being given back another - a new kind of coherence and centeredness, of demarcation from other things, and of otherness to the viewer." The pivot between this public collective body of the French Revolution and the involuted, remapped "private" body of Cubism is - remarkably - the fear of castration as embodied in Cezanne's late Bathers, whose weird distortions Clark sees as a parallel process to the psychic reworkings of experience theorized by Freudian psychoanalysis.
Cruising Disaster (all works 1996), for instance, spreads horizontally across 18 feet of wall space and consists of 111 similar vertical modules, held to the wall by steel clamps, of involuted and stitched black and red leather that has been imbued with white chalk dust.
His scientific investigations and technical innovations (his renowned fussiness with the camera, as though to show it in action were his only concern) come to a dead end in an involuted and convoluted reflection of and on the self, the morbid turn inward, the chewing on the cud of the unconscious that invariably follows defeat.
Where she exploited its molten possibilities to achieve an effect of random expression and involuted pathos, Duff finds delicate transcendence in its icy luminosity, often giving it colored tones that make the fiberglass seem as soft as the tones appear, however inflexible it actually is.