Last Updated:2025/11/22
(of an astronomic object) The time taken to rotate about its axis relative to the background stars.
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rotational period
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Source Word
rotational period
Noun
of an astronomic object
of a rotating object on the earth
Japanese Meaning
天体が自らの軸を中心にして回転するのに要する時間 / 自転周期
( plural )