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gyrate +‎ -ion


  • IPA(key): /dʒaɪˈɹeɪʃən/
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gyration (plural gyrations)

  1. The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis; rotation; revolution.
    • 1881, Symon's monthly meteorological magazine (page 59)
      If you question a seaman on the subject, whether mere coaster or circumnavigator, he will tell you that in a snow-storm, because of its constant eddyings and gyrations, frequent trimming of sails is more necessary than in any other gale []
  2. One of the whorls of a spiral univalve shell.
  3. Appropriate arrangement of convolutions of gyri in the cerebral cortex.

See alsoEdit