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Pronunciation: ro-ta'shun


  1. Turning or movement of a body around its axis.
  2. A recurrence in regular order of certain events, such as the symptoms of a periodic disease.
  3. In medical education, a period of time on a particular service or specialty.

[L. rotatio, fr. roto, pp. rotatus, to revolve, rotate]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.