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Meaning of rotational period | Babel Free

Noun CEFR B2

Definitions

The time taken to rotate about its axis relative to the background stars.
The time taken to rotate about its axis relative to the earth (assumed fixed).

CEFR level

B2

Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.

See also

rotational symmetry rotationality Rotationally rotationplasty Rotations Rotative