Meaning of sidereal day | Babel Free
Definitions
- One day of sidereal time; the time in which Earth rotates once around its axis, relative to the point of the vernal equinox (about 23 hours, 56 minutes, 4 seconds).
- The rotational period of Earth; the time in which Earth rotates around its axis 360 degrees.
Equivalents
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.