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gyration

Pronunciation: /dʒaɪ(ə)ˈɹeɪʃ(ə)n/

The English word “gyration” has 4 meanings listed here.

noun

  1. The act of turning or whirling, especially around a fixed axis or centre; a circular or spiral motion; rotation.
  2. A rotation around an axis which is not the centre of rotational symmetry; an eccentric or off-centre rotation.
  3. One of the whorls of a spiral univalve shell.
  4. The arrangement of convolutions of gyri in the cerebral cortex of the brain.

Etymology

From gyre (“to spin around; to gyrate, to whirl; (rare) to make (something) spin or whirl around; to spin, to whirl”) + -ation (suffix indicating actions or processes). Gyre is from Late Middle English giren (“to turn (something) away; to cause (something) to revolve or rotate; to travel in a circle”), from Old French girer (“to turn”), and directly from its etymon Latin gȳrāre, the present…

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