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gyration

[jahy-rey-shuh n] /dʒaɪˈreɪ ʃən/
noun
1.
the act of gyrating; circular or spiral motion; revolution; rotation; whirling.
Origin
1605-1615
1605-15; < Late Latin gȳrātiōn- (stem of gȳrātiō). See gyrate, -ion
Related forms
gyrational, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for gyration
  • The electron's orbit is close to a half circle if the bunch gap is longer than the half period of electron's gyration motion.
  • He has to explain every last stock market gyration and tell people how to make money off of it.
  • gyration versus density data was then plotted for the two mixes.
  • Before the burst, the gyration is clockwise, corresponding to a vortex core polarization pointing down.
British Dictionary definitions for gyration

gyration

/dʒaɪˈreɪʃən/
noun
1.
the act or process of gyrating; rotation
2.
any one of the whorls of a spiral-shaped shell
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for gyration
n.

1610s, noun of action from Late Latin gyratum, past participle of gyrare, from Latin gyrus "circle" (see gyre).

Online Etymology Dictionary, © 2010 Douglas Harper
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12
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