rotational period

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English[edit]

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Noun[edit]

rotational period (plural rotational periods)

  1. (of an astronomic object) The time taken to rotate about its axis relative to the background stars.
  2. (of a rotating object on the earth) The time taken to rotate about its axis relative to the earth (assumed fixed).

Synonyms[edit]

Related terms[edit]

angular speed, angular velocity