gyration

Definitions

  • WordNet 3.6
    • n gyration the act of rotating in a circle or spiral
    • n gyration a single complete turn (axial or orbital) "the plane made three rotations before it crashed","the revolution of the earth about the sun takes one year"
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Webster's Revised Unabridged Dictionary
    • Gyration (Zoöl) One of the whorls of a spiral univalve shell.
    • Gyration The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis; rotation; revolution. "The gyrations of an ascending balloon.""If a burning coal be nimbly moved round in a circle, with gyrations continually repeated, the whole circle will appear like fire."
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Century Dictionary and Cyclopedia
    • n gyration A wheeling; whirling; revolution; a wheeling motion, like that of the moon round the earth. Specifically— A revolution round a distant center combined with a synchronal rotation in the same direction round the gyrating body's center.
    • n gyration Tn univalve shells, one of the whorls of the spire.
    • n gyration Any system of gyri or convolutions in the brain.
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Chambers's Twentieth Century Dictionary
    • n Gyration act of whirling round a central point: a spiral motion
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Etymology

Chambers's Twentieth Century Dictionary
L. gyrāre, -ātum, to move in a circle.

Usage

In literature:

Instantly, oilily, the car gyrated as on a pivot, and behold, we were facing down the valley instead of up.
"My Friend the Chauffeur" by C. N. Williamson and A. M. Williamson
With each grazing kick, the ball went into even more maddening spins and gyrations.
"Stand by for Mars!" by Carey Rockwell
Its lower end dangled about with irregular gyrations as he shifted his weight from rung to rung.
"As It Was in the Beginning" by Philip Verrill Mighels
He sees them sailing in spiral curves, descending at each gyration, slowly but surely stooping lower, and coming nearer.
"The Death Shot" by Mayne Reid
I kept him off till the fish was spent and feebly gyrating at my feet.
"Lines in Pleasant Places" by William Senior
On falling asleep, his helmet performed extremely undignified gyrations.
"Fighting the Flames" by R.M. Ballantyne
One young fellow seized a brand from the fire and began a wild gyration, pointing the end to the circle, at random, it seemed.
"A Little Girl in Old Quebec" by Amanda Millie Douglas
It gyrated and changed its course as it descended.
"The Land of the Kangaroo" by Thomas Wallace Knox
Though, in truth, at present one might wonder where the dancers are to find space for their gyrations.
"Lippincott's Magazine of Popular Literature and Science, Vol. 12, No. 32, November, 1873" by Various
Before the raft was half way to Riverport, I had acquired the needed skill, and she indulged in no more gyrations while I had the helm.
"Down The River" by Oliver Optic
An instant later a monstrous form charged out of the darkened interior scattering the madly gyrating insects like chaff before a wind.
"The Black Phantom" by Leo Edward Miller
The gyrations of the whirl grew gradually less and less violent.
"Journeys Through Bookland, Vol. 8" by Charles H. Sylvester
These balls were whirling and gyrating in the air.
"The Forest Exiles" by Mayne Reid
He gyrated about the room again.
"Two on the Trail" by Hulbert Footner
However he gyrated, he did not take his eyes from those of the captive youth.
"The Border Watch" by Joseph A. Altsheler
These balls were whirling and gyrating in the air.
"Popular Adventure Tales" by Mayne Reid
They were evidently seeking to discern the utility of these strange military gyrations.
"The Story of Old Fort Loudon" by Charles Egbert Craddock
How divine its awful gyrations!
"The Scrap Book, Volume 1, No. 6" by Various
The gyrations of the whirl grew gradually less and less violent.
"The Scrap Book, Volume 1, No. 1" by Various
Again I was flung in wild gyrations.
"Christmas Eve and Christmas Day" by Edward E. Hale
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In poetry:

The floors are slippery with blood:
The world gyrates too. God is good
That while His wind blows out the light
For those who hourly die for is –
We still can dance each night.
"The Dancers: (During A Great Battle, 1916)" by Dame Edith Sitwell
Birds of ill omen fold your sable pinions,
Cease your gyrations through our Queen's dominions;
Your pecking, screaming, croaking, don't alarm us—
Your frothy declamations do not charm us.
"North America and Her War Parsons" by Janet Hamilton
Where's the speech with phrases frilly,
Trouncing foemen willy nilly,
Waving arms, gesticulations,
Posturing and wild gyrations?
Briefly, where's the vaudeville
That, in olden days was Bill?
"'Billy'" by C J Dennis

In news:

After decades of relying on predictions from political pundits and wildly gyrating polls, Americans saw a small band of number crunchers redefine the business of election forecasting.
Two girls gyrate listlessly on a raised platform while a party photographer wanders the crowd.
Obama's campaign like 'gyrating, intermittent lawn sprinklers.
To this end, the researchers developed a new method for entangling single photons which gyrate in opposite directions.
This time, its scorn is aimed at a music video called "Booty Pop," in which a 6-year-old aspiring rapper from South Florida named Albert Roundtree Jr uses a Super Soaker to hose down gyrating chicks in bikinis.
I had never considered Kenny Loggins an instigator of reflection until I watched several generations of academics and their relatives gyrate to "Footloose" at a recent wedding reception.
If utilities had hedged their natural gas purchases during the 1990s, they could have earned windfalls for those they serve, given the wild price gyrations of the past decade ().
The man next to me is also being persistently ill into his vomit bag and I have no idea where the ground is outside the gyrating tin can I'm stuck in.
As a result, they caused wild gyrations in the price of several major stocks.
These air-powered gyrating advertising devices have been around for some time.
Scully speaks of the curious waltzing or gyrating of the ostriches as not occurring among wild birds.
But beyond nationwide strikes and gyrating markets, Europe has put its crisis to good use.
The Gyration Media Center Remote Control is a robust mouse and remote control combo for Media Center PCs.
Balenciaga's earrings crawl, Auden's necklace slithers, and Aesa's cuffs gyrate.
Cutis verticis gyrate makes someone's brain look like it is growing on the outside.
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In science:

Polarization in synchrotron radiation is due to the electrons gyrating in ordered magnetic fields , providing information on the properties of magnetic fields around the source.
Beam Test of a Prototype Detector Array for the PoGO Astronomical Hard X-Ray/Soft Gamma-Ray Polarimeter
Rgyro = 7 × 106 cm is the radius of gyration of the matter in the disk.
A white dwarf-neutron star relativistic binary model for soft gamma-ray repeaters
We have derived long series expansions for the perimeter generating functions of the radius of gyration of various polygons with a convexity constraint.
Perimeter Generating Functions For The Mean-Squared Radius Of Gyration Of Convex Polygons
Also of great interest is the mean-square radius of gyration, hR2in , which measures the typical size of a polygon with perimeter n.
Perimeter Generating Functions For The Mean-Squared Radius Of Gyration Of Convex Polygons
In this paper we report on work leading to conjectured exact solutions for the generating functions associated with the mean-square radius of gyration for the class of convex polygons.
Perimeter Generating Functions For The Mean-Squared Radius Of Gyration Of Convex Polygons
However, in one iteration many steps can be inserted and this makes the calculation of the contributions to the radius of gyration somewhat cumbersome.
Perimeter Generating Functions For The Mean-Squared Radius Of Gyration Of Convex Polygons
So we could simply take our previous algorithm [8, 9], which we generalised in order to calculate the radius of gyration, and only extract the terms counting convex polygons.
Perimeter Generating Functions For The Mean-Squared Radius Of Gyration Of Convex Polygons
Suffice to say that the method for calculating the radius of gyration coefficients rn has been described in .
Perimeter Generating Functions For The Mean-Squared Radius Of Gyration Of Convex Polygons
In this section we use the series for rn to find (numerically) the exact perimeter generating functions for the radius of gyration of convex polygons.
Perimeter Generating Functions For The Mean-Squared Radius Of Gyration Of Convex Polygons
The number of polygons pn and their mean-squared radius of gyration rn = n2pn hR2 in .
Perimeter Generating Functions For The Mean-Squared Radius Of Gyration Of Convex Polygons
Informed by this result it is natural to assume that the generation function for the mean-squared radius of gyration has a similar form.
Perimeter Generating Functions For The Mean-Squared Radius Of Gyration Of Convex Polygons
In this case the radius of gyration generation function is of the same form and again we have ν = 1.
Perimeter Generating Functions For The Mean-Squared Radius Of Gyration Of Convex Polygons
Now that these results for the radius of gyration of convex polygons are known from the numerical work presented here it should be easier to prove them rigorously.
Perimeter Generating Functions For The Mean-Squared Radius Of Gyration Of Convex Polygons
The role of self avoidance within a loop was taken into account by Fisher , and yields the bigger value c = dνSAW ∼ 1.76, where νSAW is the SAW radius of gyration exponent in d = 3.
Random walks and polymers in the presence of quenched disorder
Finally, we give some heuristic arguments inspired by the results of the previous sections, leading to the estimate l ∼ R, for DLA clusters of gyration radius R.
Distance traveled by random walkers before absorption in a random medium
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